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<!--Date of creation: 05/15/2023-->
<!--Software architectural design and coding: A'c Dharmapremananda Avt.-->
<!--Copyright (c) 2023 I-NET Business Solutions, Inc. All Rights Reserved.-->
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount" xlink:to="us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_lbl_1c5921" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_lbl_1c5921" xml:lang="en-US">Equity securities, at fair value (cost of $18,011,146 at March 31, 2023 and $18,086,700 at December 31, 2022)</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherInvestments" xlink:label="us-gaap_OtherInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherInvestments" xlink:to="us-gaap_OtherInvestments_lbl_2d10e9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherInvestments_lbl_2d10e9" xml:lang="en-US">Other investments</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Investments" xlink:to="us-gaap_Investments_lbl_1c50e3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Investments_lbl_1c50e3" xml:lang="en-US">Total investments</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Investments" xlink:label="us-gaap_Investments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Investments" xlink:to="us-gaap_Investments_lbl_7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Investments_lbl_7" xml:lang="en-US">[Investments]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl_2bdcae" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl_2bdcae" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PremiumsReceivableAtCarryingValue" xlink:label="us-gaap_PremiumsReceivableAtCarryingValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableAtCarryingValue" xlink:to="us-gaap_PremiumsReceivableAtCarryingValue_lbl_2820de" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PremiumsReceivableAtCarryingValue_lbl_2820de" xml:lang="en-US">Premiums receivable, net</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ReinsuranceRecoverables" xlink:label="us-gaap_ReinsuranceRecoverables" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceRecoverables" xlink:to="us-gaap_ReinsuranceRecoverables_lbl_dd5e0b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReinsuranceRecoverables_lbl_dd5e0b" xml:lang="en-US">Reinsurance receivables, net</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredPolicyAcquisitionCosts" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredPolicyAcquisitionCosts" xlink:to="us-gaap_DeferredPolicyAcquisitionCosts_lbl_a0b172" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl_a0b172" xml:lang="en-US">Deferred policy acquisition costs</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:to="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl_f084fd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl_f084fd" xml:lang="en-US">Intangible assets</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl_63263e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl_63263e" xml:lang="en-US">Property and equipment, net</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxAssetsNet" xlink:to="us-gaap_DeferredIncomeTaxAssetsNet_lbl_572f1b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet_lbl_572f1b" xml:lang="en-US">Deferred income taxes, net</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssets" xlink:label="us-gaap_OtherAssets" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_OtherAssets_lbl_b84f45" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssets_lbl_b84f45" xml:lang="en-US">Other assets</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl_a79876" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl_a79876" xml:lang="en-US">Total assets</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl_16" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_lbl_16" xml:lang="en-US">[Assets]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAbstract" xlink:label="us-gaap_LiabilitiesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAbstract" xlink:to="us-gaap_LiabilitiesAbstract_lbl_1c1fa6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAbstract_lbl_1c1fa6" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense" xlink:label="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense" xlink:to="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense_lbl_ad94b2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense_lbl_ad94b2" xml:lang="en-US">Loss and loss adjustment expense reserves</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnearnedPremiums" xlink:label="us-gaap_UnearnedPremiums" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnearnedPremiums" xlink:to="us-gaap_UnearnedPremiums_lbl_d92d6c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnearnedPremiums_lbl_d92d6c" xml:lang="en-US">Unearned premiums</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AdvancePremiums" xlink:label="king_AdvancePremiums" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AdvancePremiums" xlink:to="king_AdvancePremiums_lbl_1f8e9b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AdvancePremiums_lbl_1f8e9b" xml:lang="en-US">Advance premiums</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ReinsurancePayable" xlink:label="us-gaap_ReinsurancePayable" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsurancePayable" xlink:to="us-gaap_ReinsurancePayable_lbl_f4b3c9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReinsurancePayable_lbl_f4b3c9" xml:lang="en-US">Reinsurance balances payable</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredRevenue" xlink:label="us-gaap_DeferredRevenue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredRevenue" xlink:to="us-gaap_DeferredRevenue_lbl_ac57b3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredRevenue_lbl_ac57b3" xml:lang="en-US">Deferred ceding commission revenue</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_lbl_ab3336" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_lbl_ab3336" xml:lang="en-US">Accounts payable, accrued expenses and other liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl_b7e130" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl_b7e130" xml:lang="en-US">Debt, net</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl_673bce" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl_673bce" xml:lang="en-US">Total liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl_25" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Liabilities_lbl_25" xml:lang="en-US">[Liabilities]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl_d5690e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl_d5690e" xml:lang="en-US">Commitments and Contingencies (Note 11)</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl_79fb55" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl_79fb55" xml:lang="en-US">Stockholders' Equity</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl_65b95a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockValue_lbl_65b95a" xml:lang="en-US">Preferred stock, $0.01 par value; authorized 2,500,000 shares</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl_8dab28" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl_8dab28" xml:lang="en-US">Common stock, $0.01 par value; authorized 20,000,000 shares; issued 12,231,965 shares at March 31, 2023 and 12,171,512 shares at December 31, 2022; outstanding 10,760,559 shares at March 31, 2023 and 10,700,106 shares at December 31, 2022</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ExcessCapital" xlink:label="us-gaap_ExcessCapital" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExcessCapital" xlink:to="us-gaap_ExcessCapital_lbl_854e69" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExcessCapital_lbl_854e69" xml:lang="en-US">Capital in excess of par</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl_d2ba6b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl_d2ba6b" xml:lang="en-US">Accumulated other comprehensive loss</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl_31" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl_31" xml:lang="en-US">[Accumulated Other Comprehensive Income (Loss), Net of Tax]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl_d20b44" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl_d20b44" xml:lang="en-US">Accumulated deficit</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityBeforeTreasuryStock" xlink:label="us-gaap_StockholdersEquityBeforeTreasuryStock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityBeforeTreasuryStock" xlink:to="us-gaap_StockholdersEquityBeforeTreasuryStock_lbl_9f9306" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityBeforeTreasuryStock_lbl_9f9306" xml:lang="en-US">Stockholders' Equity before Treasury Stock</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_lbl_148b8c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_TreasuryStockValue_lbl_148b8c" xml:lang="en-US">Treasury stock, at cost, 1,471,406 shares at March 31, 2023 and December 31, 2022</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl_e7884b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquity_lbl_e7884b" xml:lang="en-US">Total stockholders' equity</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl_35" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquity_lbl_35" xml:lang="en-US">[Stockholders' Equity Attributable to Parent]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl_a51955" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl_a51955" xml:lang="en-US">Total liabilities and stockholders' equity</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl_36" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl_36" xml:lang="en-US">[Liabilities and Equity]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HeldToMaturitySecuritiesFairValue" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesFairValue" xlink:to="us-gaap_HeldToMaturitySecuritiesFairValue_lbl_cab469" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue_lbl_cab469" xml:lang="en-US">Fixed-maturity Securities, Held-to-maturity, Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:to="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl_c0c001" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl_c0c001" xml:lang="en-US">Fixed-maturity Securities, Available-for-sale, Amortized Cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_EquitySecuritiesAtFairValue" xlink:label="king_EquitySecuritiesAtFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EquitySecuritiesAtFairValue" xlink:to="king_EquitySecuritiesAtFairValue_lbl_7d6d83" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EquitySecuritiesAtFairValue_lbl_7d6d83" xml:lang="en-US">Equity Securities, at fair value</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl_4a0c80" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockholdersEquityAbstract_lbl_4a0c80" xml:lang="en-US">Stockholders' Equity</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl_d410de" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl_d410de" xml:lang="en-US">Preferred Stock, Par Value</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl_54bbd5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl_54bbd5" xml:lang="en-US">Preferred Stock, Authorized Shares</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl_143e5c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl_143e5c" xml:lang="en-US">Common Stock, Par Value</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl_d230a7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl_d230a7" xml:lang="en-US">Common Stock, Authorized Shares</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl_30e5e9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl_30e5e9" xml:lang="en-US">Common Stock, Issued Shares</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl_a14cc2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl_a14cc2" xml:lang="en-US">Common Stock, Outstanding Shares</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockCommonShares" xlink:label="us-gaap_TreasuryStockCommonShares" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockCommonShares" xlink:to="us-gaap_TreasuryStockCommonShares_lbl_0a38e2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockCommonShares_lbl_0a38e2" xml:lang="en-US">Treasury Stock, Shares</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl_595bac" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl_595bac" xml:lang="en-US">Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited)</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenuesAbstract" xlink:label="us-gaap_RevenuesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesAbstract" xlink:to="us-gaap_RevenuesAbstract_lbl_43ce50" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenuesAbstract_lbl_43ce50" xml:lang="en-US">Revenues</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PremiumsEarnedNet" xlink:label="us-gaap_PremiumsEarnedNet" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PremiumsEarnedNet_lbl_826d81" xml:lang="en-US">Net premiums earned</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CedingCommissionRevenue" xlink:label="king_CedingCommissionRevenue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CedingCommissionRevenue" xlink:to="king_CedingCommissionRevenue_lbl_19292a" xlink:type="arc" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetInvestmentIncome" xlink:label="us-gaap_NetInvestmentIncome" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetInvestmentIncome" xlink:to="us-gaap_NetInvestmentIncome_lbl_e584db" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetInvestmentIncome_lbl_e584db" xml:lang="en-US">Net investment income</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RealizedInvestmentGainsLosses" xlink:label="us-gaap_RealizedInvestmentGainsLosses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealizedInvestmentGainsLosses" xlink:to="us-gaap_RealizedInvestmentGainsLosses_lbl_194c66" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl_194c66" xml:lang="en-US">Net gains (losses) on investments</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherIncome" xlink:label="us-gaap_OtherIncome" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIncome" xlink:to="us-gaap_OtherIncome_lbl_87a0d8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherIncome_lbl_87a0d8" xml:lang="en-US">Other income</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl_aeed70" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Revenues_lbl_aeed70" xml:lang="en-US">Total revenues</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl_8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Revenues_lbl_8" xml:lang="en-US">[Revenues]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl_097659" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpensesAbstract_lbl_097659" xml:lang="en-US">Expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LossAndLossAdjustmentExpenses" xlink:label="king_LossAndLossAdjustmentExpenses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LossAndLossAdjustmentExpenses" xlink:to="king_LossAndLossAdjustmentExpenses_lbl_28e232" xlink:type="arc" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NoninterestExpenseCommissionExpense" xlink:label="us-gaap_NoninterestExpenseCommissionExpense" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoninterestExpenseCommissionExpense" xlink:to="us-gaap_NoninterestExpenseCommissionExpense_lbl_8d92f3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoninterestExpenseCommissionExpense_lbl_8d92f3" xml:lang="en-US">Commission expense</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherUnderwritingExpense" xlink:label="us-gaap_OtherUnderwritingExpense" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherUnderwritingExpense_lbl_1ff38c" xml:lang="en-US">Other underwriting expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="us-gaap_OtherCostAndExpenseOperating" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl_b14707" xml:lang="en-US">Other operating expenses</link:label>
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DepreciationAndAmortization_lbl_9b9305" xml:lang="en-US">Depreciation and amortization</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_lbl_f7cb67" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpense_lbl_f7cb67" xml:lang="en-US">Interest expense</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl_8cf6ed" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingExpenses_lbl_8cf6ed" xml:lang="en-US">Total expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl_17" xml:lang="en-US">[Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl_f19277" xml:lang="en-US">Income tax benefit</link:label>
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl_7b8e6a" xml:lang="en-US">Net loss</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl_19" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_lbl_19" xml:lang="en-US">[Net Income (Loss) Attributable to Parent]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossTaxAbstract" xlink:label="us-gaap_OtherComprehensiveIncomeLossTaxAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossTaxAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossTaxAbstract_lbl_b23db5" xlink:type="arc" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_lbl_0ca30f" xml:lang="en-US">Gross change in unrealized gains (losses) on available-for-sale-securities</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax_lbl_0a9056" xlink:type="arc" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax_lbl_22" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax_lbl_22" xml:lang="en-US">[Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), Reclassification, before Tax]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnInvestments" xlink:to="us-gaap_UnrealizedGainLossOnInvestments_lbl_4b151d" xlink:type="arc" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnrealizedGainLossOnInvestments" xlink:label="us-gaap_UnrealizedGainLossOnInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnInvestments" xlink:to="us-gaap_UnrealizedGainLossOnInvestments_lbl_23" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl_23" xml:lang="en-US">[Unrealized Gain (Loss) on Investments]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncomeTaxBenefitRelatedToItemsOfOtherComprehensiveLoss" xlink:label="king_IncomeTaxBenefitRelatedToItemsOfOtherComprehensiveLoss" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncomeTaxBenefitRelatedToItemsOfOtherComprehensiveLoss" xlink:to="king_IncomeTaxBenefitRelatedToItemsOfOtherComprehensiveLoss_lbl_39ecb7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncomeTaxBenefitRelatedToItemsOfOtherComprehensiveLoss_lbl_39ecb7" xml:lang="en-US">Income tax (expense) benefit related to items of other comprehensive income (loss)</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax_lbl_657be8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl_657be8" xml:lang="en-US">Comprehensive loss</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax_lbl_26" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl_26" xml:lang="en-US">[Comprehensive Income (Loss), Net of Tax, Attributable to Parent]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LossPerCommonShareBasicAndDilutedAbstract" xlink:label="king_LossPerCommonShareBasicAndDilutedAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LossPerCommonShareBasicAndDilutedAbstract" xlink:to="king_LossPerCommonShareBasicAndDilutedAbstract_lbl_ad5cb4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LossPerCommonShareBasicAndDilutedAbstract_lbl_ad5cb4" xml:lang="en-US">Loss per common share:</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic_lbl_81e723" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasic_lbl_81e723" xml:lang="en-US">Basic</link:label>
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareDiluted_lbl_8702f2" xml:lang="en-US">Diluted</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl_58ca68" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl_58ca68" xml:lang="en-US">Weighted average common shares outstanding</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl_40883b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl_40883b" xml:lang="en-US">Basic</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl_31" xml:lang="en-US">[Weighted Average Number of Shares Outstanding, Basic]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl_6df499" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl_6df499" xml:lang="en-US">Diluted</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl_32" xml:lang="en-US">[Weighted Average Number of Shares Outstanding, Diluted]</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable" />
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    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CapitalInExcessOfParMember" xlink:label="king_CapitalInExcessOfParMember" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsMember_lbl_c4c973" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockCommonMember" xlink:label="us-gaap_TreasuryStockCommonMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockCommonMember" xlink:to="us-gaap_TreasuryStockCommonMember_lbl_04674f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockCommonMember_lbl_04674f" xml:lang="en-US">Treasury Stock</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl_4c8d0f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharesIssued_lbl_4c8d0f" xml:lang="en-US">Balance, shares</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesIssued_lbl_2" xml:lang="en-US">[Shares, Issued]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl_350bec" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquity_lbl_350bec" xml:lang="en-US">Balance, amount</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl_34f91d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensation_lbl_34f91d" xml:lang="en-US">Stock-based compensation</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_VestingOfRestrictedStockAwardsShares" xlink:label="king_VestingOfRestrictedStockAwardsShares" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_VestingOfRestrictedStockAwardsShares" xlink:to="king_VestingOfRestrictedStockAwardsShares_lbl_ae20fc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_VestingOfRestrictedStockAwardsShares_lbl_ae20fc" xml:lang="en-US">Vesting of restricted stock awards, shares</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_VestingOfRestrictedStockAwardsAmount" xlink:label="king_VestingOfRestrictedStockAwardsAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_VestingOfRestrictedStockAwardsAmount" xlink:to="king_VestingOfRestrictedStockAwardsAmount_lbl_0ce954" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_VestingOfRestrictedStockAwardsAmount_lbl_0ce954" xml:lang="en-US">Vesting of restricted stock awards, amount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesShares" xlink:label="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesShares" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesShares" xlink:to="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesShares_lbl_7c290e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesShares_lbl_7c290e" xml:lang="en-US">Shares deducted from restricted stockawards for payment of withholding taxes, shares</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesAmount" xlink:label="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesAmount" xlink:to="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesAmount_lbl_016b45" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesAmount_lbl_016b45" xml:lang="en-US">Shares deducted from restricted stockawards for payment of withholding taxes, amount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_Dividend" xlink:label="king_Dividend" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_Dividend" xlink:to="king_Dividend_lbl_a9766d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_Dividend_lbl_a9766d" xml:lang="en-US">Dividends</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl_40e53d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl_40e53d" xml:lang="en-US">Net loss</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ChangeInUnrealizedLossesOnAvailableForSaleSecuritiesNetOfTax" xlink:label="king_ChangeInUnrealizedLossesOnAvailableForSaleSecuritiesNetOfTax" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ChangeInUnrealizedLossesOnAvailableForSaleSecuritiesNetOfTax" xlink:to="king_ChangeInUnrealizedLossesOnAvailableForSaleSecuritiesNetOfTax_lbl_4e9daf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ChangeInUnrealizedLossesOnAvailableForSaleSecuritiesNetOfTax_lbl_4e9daf" xml:lang="en-US">Change in unrealized losses on available-for-sale securities, net of tax</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AwardsForPaymentOfWithholdingTaxesShares" xlink:to="king_AwardsForPaymentOfWithholdingTaxesShares_lbl_c3317d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_AwardsForPaymentOfWithholdingTaxesShares_lbl_c3317d" xml:lang="en-US">Shares deducted from restricted stockawards for payment of withholding taxes, shares</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AwardsForPaymentOfWithholdingTaxesShares" xlink:label="king_AwardsForPaymentOfWithholdingTaxesShares" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AwardsForPaymentOfWithholdingTaxesShares" xlink:to="king_AwardsForPaymentOfWithholdingTaxesShares_lbl_12" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AwardsForPaymentOfWithholdingTaxesShares_lbl_12" xml:lang="en-US">[Shares deducted from restricted stockawards for payment of withholding taxes, shares]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AwardsForPaymentOfWithholdingTaxesAmount" xlink:to="king_AwardsForPaymentOfWithholdingTaxesAmount_lbl_540cf1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_AwardsForPaymentOfWithholdingTaxesAmount_lbl_540cf1" xml:lang="en-US">Shares deducted from restricted stockawards for payment of withholding taxes, amount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AwardsForPaymentOfWithholdingTaxesAmount" xlink:label="king_AwardsForPaymentOfWithholdingTaxesAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AwardsForPaymentOfWithholdingTaxesAmount" xlink:to="king_AwardsForPaymentOfWithholdingTaxesAmount_lbl_13" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AwardsForPaymentOfWithholdingTaxesAmount_lbl_13" xml:lang="en-US">[Shares deducted from restricted stockawards for payment of withholding taxes, amount]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl_750095" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharesIssued_lbl_750095" xml:lang="en-US">Balance, shares</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl_d35a27" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquity_lbl_d35a27" xml:lang="en-US">Balance, amount</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl_90bc34" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl_90bc34" xml:lang="en-US">Condensed Consolidated Statements of Cash Flows (Unaudited)</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl_2bef7b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl_2bef7b" xml:lang="en-US">Cash flows from operating activities:</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl_4b61d7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ProfitLoss_lbl_4b61d7" xml:lang="en-US">Net loss</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl_3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfitLoss_lbl_3" xml:lang="en-US">[Net Income (Loss), Including Portion Attributable to Noncontrolling Interest]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl_58c356" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl_58c356" xml:lang="en-US">Adjustments to reconcile net loss to net cash flows used in operating activities:</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfInvestments" xlink:to="us-gaap_GainLossOnSaleOfInvestments_lbl_be41a5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainLossOnSaleOfInvestments_lbl_be41a5" xml:lang="en-US">Net losses (gains) on investments</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnSaleOfInvestments" xlink:label="us-gaap_GainLossOnSaleOfInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfInvestments" xlink:to="us-gaap_GainLossOnSaleOfInvestments_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfInvestments_lbl_5" xml:lang="en-US">[Gain (Loss) on Sale of Investments]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetUnrealizedGainsLossesOnEquityInvestments" xlink:to="king_NetUnrealizedGainsLossesOnEquityInvestments_lbl_f9d84f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="king_NetUnrealizedGainsLossesOnEquityInvestments_lbl_f9d84f" xml:lang="en-US">Net unrealized (gains) losses on equity investments</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NetUnrealizedGainsLossesOnEquityInvestments" xlink:label="king_NetUnrealizedGainsLossesOnEquityInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetUnrealizedGainsLossesOnEquityInvestments" xlink:to="king_NetUnrealizedGainsLossesOnEquityInvestments_lbl_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetUnrealizedGainsLossesOnEquityInvestments_lbl_6" xml:lang="en-US">[Net unrealized (gains) losses on equity investments]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfOtherInvestments" xlink:to="us-gaap_GainLossOnSaleOfOtherInvestments_lbl_8a88f3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainLossOnSaleOfOtherInvestments_lbl_8a88f3" xml:lang="en-US">Net unrealized (gains) losses on other investments</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnSaleOfOtherInvestments" xlink:label="us-gaap_GainLossOnSaleOfOtherInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfOtherInvestments" xlink:to="us-gaap_GainLossOnSaleOfOtherInvestments_lbl_7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfOtherInvestments_lbl_7" xml:lang="en-US">[Gain (Loss) on Sale of Other Investments]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAndAmortization" xlink:to="us-gaap_DepreciationAndAmortization_lbl_29e4b4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DepreciationAndAmortization_lbl_29e4b4" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForDoubtfulAccounts" xlink:to="us-gaap_ProvisionForDoubtfulAccounts_lbl_554740" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl_554740" xml:lang="en-US">Bad debt expense</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfDebtDiscountPremium" xlink:to="us-gaap_AmortizationOfDebtDiscountPremium_lbl_0884f7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl_0884f7" xml:lang="en-US">Amortization of bond premium, net</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:to="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl_14f0bf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl_14f0bf" xml:lang="en-US">Amortization of discount and issuance costs on debt</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl_56b845" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl_56b845" xml:lang="en-US">Stock-based compensation</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl_c6cde1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl_c6cde1" xml:lang="en-US">Deferred income tax benefit</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_lbl_08a157" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_lbl_08a157" xml:lang="en-US">Decrease (increase) in operating assets:</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPremiumsReceivable" xlink:to="us-gaap_IncreaseDecreaseInPremiumsReceivable_lbl_ef9216" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInPremiumsReceivable_lbl_ef9216" xml:lang="en-US">Premiums receivable, net</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPremiumsReceivable" xlink:label="us-gaap_IncreaseDecreaseInPremiumsReceivable" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPremiumsReceivable" xlink:to="us-gaap_IncreaseDecreaseInPremiumsReceivable_lbl_15" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPremiumsReceivable_lbl_15" xml:lang="en-US">[Increase (Decrease) in Premiums Receivable]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInReinsuranceRecoverable" xlink:to="us-gaap_IncreaseDecreaseInReinsuranceRecoverable_lbl_c79e3c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInReinsuranceRecoverable_lbl_c79e3c" xml:lang="en-US">Reinsurance receivables, net</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInReinsuranceRecoverable" xlink:label="us-gaap_IncreaseDecreaseInReinsuranceRecoverable" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInReinsuranceRecoverable" xlink:to="us-gaap_IncreaseDecreaseInReinsuranceRecoverable_lbl_16" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInReinsuranceRecoverable_lbl_16" xml:lang="en-US">[Increase (Decrease) in Reinsurance Recoverable]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts" xlink:to="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl_10df48" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl_10df48" xml:lang="en-US">Deferred policy acquisition costs</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts" xlink:label="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts" xlink:to="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl_17" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl_17" xml:lang="en-US">[Increase (Decrease) in Deferred Policy Acquisition Costs]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl_6bd775" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl_6bd775" xml:lang="en-US">Other assets</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl_18" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl_18" xml:lang="en-US">[Increase (Decrease) in Other Operating Assets]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract_lbl_d33422" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract_lbl_d33422" xml:lang="en-US">Increase (decrease) in operating liabilities:</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves" xlink:to="us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves_lbl_4b12aa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves_lbl_4b12aa" xml:lang="en-US">Loss and loss adjustment expense reserves</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves" xlink:label="us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves" xlink:to="us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves_lbl_20" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves_lbl_20" xml:lang="en-US">[Increase (Decrease) in Future Policy Benefit Reserves]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInUnearnedPremiums" xlink:to="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl_d45ba7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl_d45ba7" xml:lang="en-US">Unearned premiums</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInUnearnedPremiums" xlink:label="us-gaap_IncreaseDecreaseInUnearnedPremiums" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInUnearnedPremiums" xlink:to="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl_21" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl_21" xml:lang="en-US">[Increase (Decrease) in Unearned Premiums]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncreseDecreseInAdvancePremiums" xlink:to="king_IncreseDecreseInAdvancePremiums_lbl_b1e1f4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_IncreseDecreseInAdvancePremiums_lbl_b1e1f4" xml:lang="en-US">Advance premiums</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncreseDecreseInAdvancePremiums" xlink:label="king_IncreseDecreseInAdvancePremiums" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncreseDecreseInAdvancePremiums" xlink:to="king_IncreseDecreseInAdvancePremiums_lbl_22" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncreseDecreseInAdvancePremiums_lbl_22" xml:lang="en-US">[Advance premiums]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInReinsurancePayables" xlink:to="us-gaap_IncreaseDecreaseInReinsurancePayables_lbl_3adf4f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInReinsurancePayables_lbl_3adf4f" xml:lang="en-US">Reinsurance balances payable</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInReinsurancePayables" xlink:label="us-gaap_IncreaseDecreaseInReinsurancePayables" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInReinsurancePayables" xlink:to="us-gaap_IncreaseDecreaseInReinsurancePayables_lbl_23" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInReinsurancePayables_lbl_23" xml:lang="en-US">[Increase (Decrease) in Reinsurance Payables]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:to="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl_d1e1e7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl_d1e1e7" xml:lang="en-US">Deferred ceding commission revenue</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:to="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl_24" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl_24" xml:lang="en-US">[Increase (Decrease) in Deferred Revenue]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl_2a7098" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl_2a7098" xml:lang="en-US">Accounts payable, accrued expenses and other liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl_25" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl_25" xml:lang="en-US">[Increase (Decrease) in Accounts Payable and Accrued Liabilities]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_392558" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_392558" xml:lang="en-US">Net cash flows used in operating activities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_26" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_26" xml:lang="en-US">[Net Cash Provided by (Used in) Operating Activities]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl_a8e499" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl_a8e499" xml:lang="en-US">Cash flows from investing activities:</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PurchaseFixedMaturitySecuritiesAvailableForSale" xlink:to="king_PurchaseFixedMaturitySecuritiesAvailableForSale_lbl_9bc6f7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="king_PurchaseFixedMaturitySecuritiesAvailableForSale_lbl_9bc6f7" xml:lang="en-US">Purchase - fixed-maturity securities available-for-sale</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PurchaseFixedMaturitySecuritiesAvailableForSale" xlink:label="king_PurchaseFixedMaturitySecuritiesAvailableForSale" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PurchaseFixedMaturitySecuritiesAvailableForSale" xlink:to="king_PurchaseFixedMaturitySecuritiesAvailableForSale_lbl_28" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PurchaseFixedMaturitySecuritiesAvailableForSale_lbl_28" xml:lang="en-US">[Purchase - fixed-maturity securities available-for-sale]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireEquitySecuritiesFvNi" xlink:to="us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_lbl_bf5333" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_lbl_bf5333" xml:lang="en-US">Purchase - equity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireEquitySecuritiesFvNi" xlink:label="us-gaap_PaymentsToAcquireEquitySecuritiesFvNi" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireEquitySecuritiesFvNi" xlink:to="us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_lbl_29" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_lbl_29" xml:lang="en-US">[Payments to Acquire Equity Securities, FV-NI]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities" xlink:label="us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities" xlink:to="us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_lbl_c05a4b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_lbl_c05a4b" xml:lang="en-US">Redemption - fixed-maturity securities held-to-maturity</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:to="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_lbl_062de1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_lbl_062de1" xml:lang="en-US">Sale and maturity - fixed-maturity securities available-for-sale</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi" xlink:label="us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi" xlink:to="us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi_lbl_e43b40" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi_lbl_e43b40" xml:lang="en-US">Sale - equity securities</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_0fd3c6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_0fd3c6" xml:lang="en-US">Acquisition of property and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_33" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_33" xml:lang="en-US">[Payments to Acquire Property, Plant, and Equipment]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_2010bd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_2010bd" xml:lang="en-US">Net cash flows provided by (used in) investing activities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_34" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_34" xml:lang="en-US">[Net Cash Provided by (Used in) Investing Activities]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl_aa2731" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl_aa2731" xml:lang="en-US">Cash flows from financing activities:</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeasePrincipalPayments" xlink:to="us-gaap_FinanceLeasePrincipalPayments_lbl_4cc597" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl_4cc597" xml:lang="en-US">Principal payments on equipment financing</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeasePrincipalPayments" xlink:label="us-gaap_FinanceLeasePrincipalPayments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeasePrincipalPayments" xlink:to="us-gaap_FinanceLeasePrincipalPayments_lbl_36" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeasePrincipalPayments_lbl_36" xml:lang="en-US">[Finance Lease, Principal Payments]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_BondIssueCostsOn2022Notes" xlink:label="king_BondIssueCostsOn2022Notes" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_BondIssueCostsOn2022Notes" xlink:to="king_BondIssueCostsOn2022Notes_lbl_535abb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_BondIssueCostsOn2022Notes_lbl_535abb" xml:lang="en-US">Issue costs on 2022 Notes</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_WithholdingTaxesPaidOnVestedRetrictedStockAwards" xlink:to="king_WithholdingTaxesPaidOnVestedRetrictedStockAwards_lbl_58503b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="king_WithholdingTaxesPaidOnVestedRetrictedStockAwards_lbl_58503b" xml:lang="en-US">Withholding taxes paid on vested retricted stock awards</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_WithholdingTaxesPaidOnVestedRetrictedStockAwards" xlink:label="king_WithholdingTaxesPaidOnVestedRetrictedStockAwards" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_WithholdingTaxesPaidOnVestedRetrictedStockAwards" xlink:to="king_WithholdingTaxesPaidOnVestedRetrictedStockAwards_lbl_38" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WithholdingTaxesPaidOnVestedRetrictedStockAwards_lbl_38" xml:lang="en-US">[Withholding taxes paid on vested retricted stock awards]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividends" xlink:to="us-gaap_PaymentsOfDividends_lbl_de694d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDividends_lbl_de694d" xml:lang="en-US">Dividends paid</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfDividends" xlink:label="us-gaap_PaymentsOfDividends" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividends" xlink:to="us-gaap_PaymentsOfDividends_lbl_39" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDividends_lbl_39" xml:lang="en-US">[Payments of Dividends]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl_8d658b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl_8d658b" xml:lang="en-US">Net cash flows used in financing activities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl_40" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl_40" xml:lang="en-US">[Net Cash Provided by (Used in) Financing Activities]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl_739edc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl_739edc" xml:lang="en-US">Decrease in cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl_41" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl_41" xml:lang="en-US">[Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_b2f3fe" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_b2f3fe" xml:lang="en-US">Cash and cash equivalents, beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_42" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_42" xml:lang="en-US">[Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_6e3826" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_6e3826" xml:lang="en-US">Cash and cash equivalents, end of period</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl_94af8c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl_94af8c" xml:lang="en-US">Supplemental disclosures of cash flow information:</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="us-gaap_IncomeTaxesPaidNet" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaidNet" xlink:to="us-gaap_IncomeTaxesPaidNet_lbl_5afeca" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl_5afeca" xml:lang="en-US">Cash paid for income taxes</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl_7926ee" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl_7926ee" xml:lang="en-US">Cash paid for interest</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:to="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl_e675df" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl_e675df" xml:lang="en-US">Supplemental schedule of non-cash investing and financing activities:</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl_275bca" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl_275bca" xml:lang="en-US">Other comprehensive income (loss), net of tax</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NatureOfBusinessAndBasisOfPresentationabstract" xlink:label="king_NatureOfBusinessAndBasisOfPresentationabstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NatureOfBusinessAndBasisOfPresentationabstract" xlink:to="king_NatureOfBusinessAndBasisOfPresentationabstract_lbl_b4043d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NatureOfBusinessAndBasisOfPresentationabstract_lbl_b4043d" xml:lang="en-US">Nature of Business and Basis of Presentation</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:to="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl_a94697" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl_a94697" xml:lang="en-US">Nature of Business and Basis of Presentation</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:to="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl_2" xml:lang="en-US">Business Description and Basis of Presentation [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl_adf48b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl_adf48b" xml:lang="en-US">Accounting Policies</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl_35c3e5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl_35c3e5" xml:lang="en-US">Accounting Policies</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl_2" xml:lang="en-US">Significant Accounting Policies [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentsAbstract" xlink:label="us-gaap_InvestmentsAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsAbstract" xlink:to="us-gaap_InvestmentsAbstract_lbl_711a4f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsAbstract_lbl_711a4f" xml:lang="en-US">Investments</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTextBlock" xlink:to="us-gaap_InvestmentTextBlock_lbl_b55f05" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InvestmentTextBlock_lbl_b55f05" xml:lang="en-US">Investments</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentTextBlock" xlink:label="us-gaap_InvestmentTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTextBlock" xlink:to="us-gaap_InvestmentTextBlock_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentTextBlock_lbl_2" xml:lang="en-US">Investment [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueDisclosuresAbstract_lbl_21953e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl_21953e" xml:lang="en-US">Fair Value Measurements</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock_lbl_9ced3e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl_9ced3e" xml:lang="en-US">Fair Value Measurements</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl_2" xml:lang="en-US">Fair Value Disclosures [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xlink:label="us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_lbl_f027bc" xml:lang="en-US">Fair Value of Financial Instruments and Real Estate</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:to="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl_f0f2b2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl_f0f2b2" xml:lang="en-US">Schedule of Fair Value Measurements</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_HedgeFundInvestmentsTableTextBlock" xlink:label="king_HedgeFundInvestmentsTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_HedgeFundInvestmentsTableTextBlock" xlink:to="king_HedgeFundInvestmentsTableTextBlock_lbl_cac9f1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_HedgeFundInvestmentsTableTextBlock_lbl_cac9f1" xml:lang="en-US">Schedule of Hedge Fund Investments</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ScheduleOfFairValueHierarchyOfLongtermDebtTableTextBlock" xlink:label="king_ScheduleOfFairValueHierarchyOfLongtermDebtTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ScheduleOfFairValueHierarchyOfLongtermDebtTableTextBlock" xlink:to="king_ScheduleOfFairValueHierarchyOfLongtermDebtTableTextBlock_lbl_c46198" xlink:type="arc" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" xlink:to="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock_lbl_4d28da" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock_lbl_4d28da" xml:lang="en-US">Schedule of Fair Value of Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ScheduleOfEarnedPremiumsTextBlock" xlink:label="king_ScheduleOfEarnedPremiumsTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ScheduleOfEarnedPremiumsTextBlock" xlink:to="king_ScheduleOfEarnedPremiumsTextBlock_lbl_5a85c1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ScheduleOfEarnedPremiumsTextBlock_lbl_5a85c1" xml:lang="en-US">Schedule of Earned Premiums</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ScheduleOfLineOfBusinessTabletextblock" xlink:label="king_ScheduleOfLineOfBusinessTabletextblock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ScheduleOfLineOfBusinessTabletextblock" xlink:to="king_ScheduleOfLineOfBusinessTabletextblock_lbl_7887ce" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ScheduleOfLineOfBusinessTabletextblock_lbl_7887ce" xml:lang="en-US">Schedule of Line of Business</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ScheduleOfUnpaidLossesAndLaeTableTextBlock" xlink:label="king_ScheduleOfUnpaidLossesAndLaeTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ScheduleOfUnpaidLossesAndLaeTableTextBlock" xlink:to="king_ScheduleOfUnpaidLossesAndLaeTableTextBlock_lbl_541f14" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ScheduleOfUnpaidLossesAndLaeTableTextBlock_lbl_541f14" xml:lang="en-US">Schedule of unpaid losses and LAE</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsAllocatedClaimAdjustmentTableTextBlock" xlink:label="king_IncurredClaimsAllocatedClaimAdjustmentTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsAllocatedClaimAdjustmentTableTextBlock" xlink:to="king_IncurredClaimsAllocatedClaimAdjustmentTableTextBlock_lbl_123d9e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsAllocatedClaimAdjustmentTableTextBlock_lbl_123d9e" xml:lang="en-US">Incurred Claims and Allocated Claim Adjustment Expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CumulativePaidClaimsAllocatedClaimAdjustmentExpensesTableTextBlock" xlink:label="king_CumulativePaidClaimsAllocatedClaimAdjustmentExpensesTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CumulativePaidClaimsAllocatedClaimAdjustmentExpensesTableTextBlock" xlink:to="king_CumulativePaidClaimsAllocatedClaimAdjustmentExpensesTableTextBlock_lbl_0162eb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CumulativePaidClaimsAllocatedClaimAdjustmentExpensesTableTextBlock_lbl_0162eb" xml:lang="en-US">Cumulative Paid Claims and Allocated Claim Adjustment Expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ReconciliationOfNetIncurredAndPaidClaimsTableTextBlock" xlink:label="king_ReconciliationOfNetIncurredAndPaidClaimsTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ReconciliationOfNetIncurredAndPaidClaimsTableTextBlock" xlink:to="king_ReconciliationOfNetIncurredAndPaidClaimsTableTextBlock_lbl_e79064" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ReconciliationOfNetIncurredAndPaidClaimsTableTextBlock_lbl_e79064" xml:lang="en-US">Reconciliation of the net incurred and paid claims</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock" xlink:label="us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock" xlink:to="us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock_lbl_d4b2f9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock_lbl_d4b2f9" xml:lang="en-US">Supplementary unaudited information about average historical claims duration</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ScheduleOfCedingCommissionRevenuetabletextblock" xlink:label="king_ScheduleOfCedingCommissionRevenuetabletextblock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ScheduleOfCedingCommissionRevenuetabletextblock" xlink:to="king_ScheduleOfCedingCommissionRevenuetabletextblock_lbl_10711c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ScheduleOfCedingCommissionRevenuetabletextblock_lbl_10711c" xml:lang="en-US">Schedule of Ceding commission revenue</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDebtTableTextBlock" xlink:to="us-gaap_ScheduleOfDebtTableTextBlock_lbl_b7d58d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl_b7d58d" xml:lang="en-US">Long-term debt</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock" xlink:label="us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock" xlink:to="us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_lbl_287770" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_lbl_287770" xml:lang="en-US">Schedule of Note and Warrant Exchange</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ScheduleOfPercentagesOfThePrincipalAmountTableTextBlock" xlink:label="king_ScheduleOfPercentagesOfThePrincipalAmountTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ScheduleOfPercentagesOfThePrincipalAmountTableTextBlock" xlink:to="king_ScheduleOfPercentagesOfThePrincipalAmountTableTextBlock_lbl_0bd76b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ScheduleOfPercentagesOfThePrincipalAmountTableTextBlock_lbl_0bd76b" xml:lang="en-US">Schedule of percentages of the principal amount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ScheduleOfFutureContractualPaymentObligationsTableTextBlock" xlink:label="king_ScheduleOfFutureContractualPaymentObligationsTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ScheduleOfFutureContractualPaymentObligationsTableTextBlock" xlink:to="king_ScheduleOfFutureContractualPaymentObligationsTableTextBlock_lbl_48128a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ScheduleOfFutureContractualPaymentObligationsTableTextBlock_lbl_48128a" xml:lang="en-US">Schedule of Future contractual payment obligations</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsAndStockAppreciationRightsAwardActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsAndStockAppreciationRightsAwardActivityTableTextBlock" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsAndStockAppreciationRightsAwardActivityTableTextBlock_lbl_1ea469" xml:lang="en-US">Schedule of Stock Options Activity</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_lbl_3b9e69" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_lbl_3b9e69" xml:lang="en-US">Schedule of the restricted Common Stock activity</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl_56d500" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl_56d500" xml:lang="en-US">Schedule of Deferrred Tax Assets and Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock" xlink:label="us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="us-gaap_LeaseCostTableTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCostTableTextBlock" xlink:to="us-gaap_LeaseCostTableTextBlock_lbl_30c10e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl_30c10e" xml:lang="en-US">Lease cost</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl_df9298" xml:lang="en-US">Schedule of lease liability maturities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NatureOfBusinessAbstract" xlink:label="king_NatureOfBusinessAbstract" />
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    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_DirectWrittenPremiumsPercentage" xlink:label="king_DirectWrittenPremiumsPercentage" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DirectWrittenPremiumsPercentage_lbl_97905d" xml:lang="en-US">Direct written premiums, percentage</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InformationByCategoryOfDebtSecurityAxis" xlink:label="us-gaap_InformationByCategoryOfDebtSecurityAxis" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl_2ea253" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl_2ea253" xml:lang="en-US">Related Party Transactions By Related Party Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FixedMaturitySecuritiesPoliticalSubdivisionsOfStatesTerritoriesAndPossessionsMember" xlink:label="king_FixedMaturitySecuritiesPoliticalSubdivisionsOfStatesTerritoriesAndPossessionsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FixedMaturitySecuritiesPoliticalSubdivisionsOfStatesTerritoriesAndPossessionsMember" xlink:to="king_FixedMaturitySecuritiesPoliticalSubdivisionsOfStatesTerritoriesAndPossessionsMember_lbl_502216" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedMaturitySecuritiesPoliticalSubdivisionsOfStatesTerritoriesAndPossessionsMember_lbl_502216" xml:lang="en-US">Fixed-Maturity Securities Political Subdivisions Of States Territories And Possessions [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FixedMaturitySecuritiesCorporateAndOtherBondsIndustrialAndMiscellaneousMember" xlink:label="king_FixedMaturitySecuritiesCorporateAndOtherBondsIndustrialAndMiscellaneousMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FixedMaturitySecuritiesCorporateAndOtherBondsIndustrialAndMiscellaneousMember" xlink:to="king_FixedMaturitySecuritiesCorporateAndOtherBondsIndustrialAndMiscellaneousMember_lbl_a6a89d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedMaturitySecuritiesCorporateAndOtherBondsIndustrialAndMiscellaneousMember_lbl_a6a89d" xml:lang="en-US">Fixed-Maturity Securities Corporate And Other Bonds Industrial And Miscellaneous [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FixedMaturitySecuritiesMortgageBackedSecuritiesMember" xlink:label="king_FixedMaturitySecuritiesMortgageBackedSecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FixedMaturitySecuritiesMortgageBackedSecuritiesMember" xlink:to="king_FixedMaturitySecuritiesMortgageBackedSecuritiesMember_lbl_073fe7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedMaturitySecuritiesMortgageBackedSecuritiesMember_lbl_073fe7" xml:lang="en-US">Fixed Maturity Securities Residential Mortgage and other asset backed securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FixedMaturitySecuritiesTotalFixedMaturitySecuritiesMember" xlink:label="king_FixedMaturitySecuritiesTotalFixedMaturitySecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FixedMaturitySecuritiesTotalFixedMaturitySecuritiesMember" xlink:to="king_FixedMaturitySecuritiesTotalFixedMaturitySecuritiesMember_lbl_13d04a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedMaturitySecuritiesTotalFixedMaturitySecuritiesMember_lbl_13d04a" xml:lang="en-US">Fixed Maturity Securities Total Fixed Maturity Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_USTreasuryAndGovernmentsOneMember" xlink:label="king_USTreasuryAndGovernmentsOneMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_USTreasuryAndGovernmentsOneMember" xlink:to="king_USTreasuryAndGovernmentsOneMember_lbl_fe51de" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_USTreasuryAndGovernmentsOneMember_lbl_fe51de" xml:lang="en-US">US Treasury and Government One [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSaleSecuritiesAmortizedCosts" xlink:label="king_AvailableForSaleSecuritiesAmortizedCosts" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesAmortizedCosts" xlink:to="king_AvailableForSaleSecuritiesAmortizedCosts_lbl_974149" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesAmortizedCosts_lbl_974149" xml:lang="en-US">Cost or amortized cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSalesSecuritiesGrossUnrealizedGains" xlink:label="king_AvailableForSalesSecuritiesGrossUnrealizedGains" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSalesSecuritiesGrossUnrealizedGains" xlink:to="king_AvailableForSalesSecuritiesGrossUnrealizedGains_lbl_259468" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSalesSecuritiesGrossUnrealizedGains_lbl_259468" xml:lang="en-US">Gross unrealized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPositionLessThan12MonthsLosses" xlink:label="king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPositionLessThan12MonthsLosses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPositionLessThan12MonthsLosses" xlink:to="king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPositionLessThan12MonthsLosses_lbl_734055" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPositionLessThan12MonthsLosses_lbl_734055" xml:lang="en-US">Gross unrealized losses - less than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPosition12MonthsOrLongerLosses" xlink:label="king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPosition12MonthsOrLongerLosses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPosition12MonthsOrLongerLosses" xlink:to="king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPosition12MonthsOrLongerLosses_lbl_f5ae96" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPosition12MonthsOrLongerLosses_lbl_f5ae96" xml:lang="en-US">Gross unrealized loss - more than 12 months</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesFairValueDisclosure1" xlink:to="king_AvailableForSaleSecuritiesFairValueDisclosure1_lbl_939427" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_AvailableForSaleSecuritiesFairValueDisclosure1_lbl_939427" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSaleSecuritiesFairValueDisclosure1" xlink:label="king_AvailableForSaleSecuritiesFairValueDisclosure1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesFairValueDisclosure1" xlink:to="king_AvailableForSaleSecuritiesFairValueDisclosure1_lbl_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesFairValueDisclosure1_lbl_6" xml:lang="en-US">[Estimated fair value]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSaleSecuritiesFairValueDisclosure" xlink:label="king_AvailableForSaleSecuritiesFairValueDisclosure" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesFairValueDisclosure" xlink:to="king_AvailableForSaleSecuritiesFairValueDisclosure_lbl_79e3a5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesFairValueDisclosure_lbl_79e3a5" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NetUnrealizedGainsLosses" xlink:label="king_NetUnrealizedGainsLosses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetUnrealizedGainsLosses" xlink:to="king_NetUnrealizedGainsLosses_lbl_17e764" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetUnrealizedGainsLosses_lbl_17e764" xml:lang="en-US">Net unrealized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="us-gaap_FinancialInstrumentAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentAxis" xlink:to="us-gaap_FinancialInstrumentAxis_lbl_8f4aa9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancialInstrumentAxis_lbl_8f4aa9" xml:lang="en-US">Financial Instrument Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LessThanOneYearMember" xlink:label="king_LessThanOneYearMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LessThanOneYearMember" xlink:to="king_LessThanOneYearMember_lbl_f89b27" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LessThanOneYearMember_lbl_f89b27" xml:lang="en-US">Less Than One Year [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_OneToFiveYearsMember" xlink:label="king_OneToFiveYearsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_OneToFiveYearsMember" xlink:to="king_OneToFiveYearsMember_lbl_03443d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_OneToFiveYearsMember_lbl_03443d" xml:lang="en-US">One To Five Years [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FiveToTenYearsMember" xlink:label="king_FiveToTenYearsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FiveToTenYearsMember" xlink:to="king_FiveToTenYearsMember_lbl_69524b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FiveToTenYearsMember_lbl_69524b" xml:lang="en-US">Five To Ten Years [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_MoreThan10YearsMember" xlink:label="king_MoreThan10YearsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_MoreThan10YearsMember" xlink:to="king_MoreThan10YearsMember_lbl_23c25b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_MoreThan10YearsMember_lbl_23c25b" xml:lang="en-US">More Than 10 Years [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ResidentialMortgageAndOtherAssetBackedSecuritiesMember" xlink:label="king_ResidentialMortgageAndOtherAssetBackedSecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ResidentialMortgageAndOtherAssetBackedSecuritiesMember" xlink:to="king_ResidentialMortgageAndOtherAssetBackedSecuritiesMember_lbl_c05e2c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ResidentialMortgageAndOtherAssetBackedSecuritiesMember_lbl_c05e2c" xml:lang="en-US">Residential mortgage and other asset backed securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AmortizedCost" xlink:label="king_AmortizedCost" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AmortizedCost" xlink:to="king_AmortizedCost_lbl_59a7d9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AmortizedCost_lbl_59a7d9" xml:lang="en-US">Amortized cost</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FairValue" xlink:to="king_FairValue_lbl_61f9c4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_FairValue_lbl_61f9c4" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FairValue" xlink:label="king_FairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FairValue" xlink:to="king_FairValue_lbl_3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FairValue_lbl_3" xml:lang="en-US">[Estimated fair value 1]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl_e4ae8d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementClassOfStockAxis_lbl_e4ae8d" xml:lang="en-US">Statement Class Of Stock Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CollateralAxis" xlink:label="us-gaap_CollateralAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CollateralAxis" xlink:to="us-gaap_CollateralAxis_lbl_670104" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CollateralAxis_lbl_670104" xml:lang="en-US">Collateral Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl_b79e27" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PlanNameAxis_lbl_b79e27" xml:lang="en-US">Plan Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PreferredStockEquitySecuritiesMember" xlink:label="king_PreferredStockEquitySecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PreferredStockEquitySecuritiesMember" xlink:to="king_PreferredStockEquitySecuritiesMember_lbl_74ead0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PreferredStockEquitySecuritiesMember_lbl_74ead0" xml:lang="en-US">Preferred Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CommonStockMutualFundAndExchangeTradeFundEquitySecuritiesMember" xlink:label="king_CommonStockMutualFundAndExchangeTradeFundEquitySecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CommonStockMutualFundAndExchangeTradeFundEquitySecuritiesMember" xlink:to="king_CommonStockMutualFundAndExchangeTradeFundEquitySecuritiesMember_lbl_866185" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CommonStockMutualFundAndExchangeTradeFundEquitySecuritiesMember_lbl_866185" xml:lang="en-US">Common stock, mutual fund and exchange traded funds [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquitySecuritiesMember" xlink:label="us-gaap_EquitySecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesMember" xlink:to="us-gaap_EquitySecuritiesMember_lbl_17e319" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquitySecuritiesMember_lbl_17e319" xml:lang="en-US">Equity Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_HedgeFundMember" xlink:label="king_HedgeFundMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_HedgeFundMember" xlink:to="king_HedgeFundMember_lbl_06902b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_HedgeFundMember_lbl_06902b" xml:lang="en-US">Hedge Funds [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AggregateMember" xlink:label="king_AggregateMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AggregateMember" xlink:to="king_AggregateMember_lbl_cea49e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AggregateMember_lbl_cea49e" xml:lang="en-US">Total [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_OtherInvestmentsAtCost" xlink:to="king_OtherInvestmentsAtCost_lbl_1312ee" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="king_OtherInvestmentsAtCost_lbl_1312ee" xml:lang="en-US">Cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_OtherInvestmentsAtCost" xlink:label="king_OtherInvestmentsAtCost" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_OtherInvestmentsAtCost" xlink:to="king_OtherInvestmentsAtCost_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_OtherInvestmentsAtCost_lbl_2" xml:lang="en-US">[Cost]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_GrossGains" xlink:label="king_GrossGains" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossGains" xlink:to="king_GrossGains_lbl_7d7f05" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossGains_lbl_7d7f05" xml:lang="en-US">Gross gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_GrossLosses" xlink:label="king_GrossLosses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossLosses" xlink:to="king_GrossLosses_lbl_7426e6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossLosses_lbl_7426e6" xml:lang="en-US">Gross losses</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherInvestments" xlink:to="us-gaap_OtherInvestments_lbl_09a4bf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_OtherInvestments_lbl_09a4bf" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentTypeAxis" xlink:label="us-gaap_InvestmentTypeAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeAxis_lbl_7b3a71" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentTypeAxis_lbl_7b3a71" xml:lang="en-US">Investment Type Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_HeldToMaturitySecuritiesUSTreasurySecuritiesMember" xlink:label="king_HeldToMaturitySecuritiesUSTreasurySecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_HeldToMaturitySecuritiesUSTreasurySecuritiesMember" xlink:to="king_HeldToMaturitySecuritiesUSTreasurySecuritiesMember_lbl_4cd6cc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_HeldToMaturitySecuritiesUSTreasurySecuritiesMember_lbl_4cd6cc" xml:lang="en-US">Held-to-Maturity Securities US Treasury Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ExchangeTradedDebtMember" xlink:label="king_ExchangeTradedDebtMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ExchangeTradedDebtMember" xlink:to="king_ExchangeTradedDebtMember_lbl_be8c56" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ExchangeTradedDebtMember_lbl_be8c56" xml:lang="en-US">Exchange Traded Debt [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetUnrealizedGainslosses1" xlink:to="king_NetUnrealizedGainslosses1_lbl_97f09a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_NetUnrealizedGainslosses1_lbl_97f09a" xml:lang="en-US">Net unrealized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NetUnrealizedGainslosses1" xlink:label="king_NetUnrealizedGainslosses1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetUnrealizedGainslosses1" xlink:to="king_NetUnrealizedGainslosses1_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetUnrealizedGainslosses1_lbl_2" xml:lang="en-US">[Net unrealized gains]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FairValue1" xlink:to="king_FairValue1_lbl_3ca57b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_FairValue1_lbl_3ca57b" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FairValue1" xlink:label="king_FairValue1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FairValue1" xlink:to="king_FairValue1_lbl_3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FairValue1_lbl_3" xml:lang="en-US">[Estimated fair value 2]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossUnrealizedLossmoreThan12Months" xlink:to="king_GrossUnrealizedLossmoreThan12Months_lbl_bf9c8d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_GrossUnrealizedLossmoreThan12Months_lbl_bf9c8d" xml:lang="en-US">Gross unrealized loss - more than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_GrossUnrealizedLossmoreThan12Months" xlink:label="king_GrossUnrealizedLossmoreThan12Months" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossUnrealizedLossmoreThan12Months" xlink:to="king_GrossUnrealizedLossmoreThan12Months_lbl_4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossUnrealizedLossmoreThan12Months_lbl_4" xml:lang="en-US">[Gross unrealized loss - more than 12 months]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossUnrealizedLosseslessThan12Months" xlink:to="king_GrossUnrealizedLosseslessThan12Months_lbl_351c2a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_GrossUnrealizedLosseslessThan12Months_lbl_351c2a" xml:lang="en-US">Gross unrealized losses - less than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_GrossUnrealizedLosseslessThan12Months" xlink:label="king_GrossUnrealizedLosseslessThan12Months" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossUnrealizedLosseslessThan12Months" xlink:to="king_GrossUnrealizedLosseslessThan12Months_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossUnrealizedLosseslessThan12Months_lbl_5" xml:lang="en-US">[Gross unrealized losses - less than 12 months]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossUnrealizedGains" xlink:to="king_GrossUnrealizedGains_lbl_88e393" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_GrossUnrealizedGains_lbl_88e393" xml:lang="en-US">Gross unrealized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_GrossUnrealizedGains" xlink:label="king_GrossUnrealizedGains" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossUnrealizedGains" xlink:to="king_GrossUnrealizedGains_lbl_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossUnrealizedGains_lbl_6" xml:lang="en-US">[Gross unrealized gains]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CostOrAmortizedCost" xlink:to="king_CostOrAmortizedCost_lbl_fffd17" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_CostOrAmortizedCost_lbl_fffd17" xml:lang="en-US">Cost or amortized cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CostOrAmortizedCost" xlink:label="king_CostOrAmortizedCost" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CostOrAmortizedCost" xlink:to="king_CostOrAmortizedCost_lbl_7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CostOrAmortizedCost_lbl_7" xml:lang="en-US">[Cost or amortized cost]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AmortizedCostHeldToMaturitySecurities" xlink:to="king_AmortizedCostHeldToMaturitySecurities_lbl_c4894f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_AmortizedCostHeldToMaturitySecurities_lbl_c4894f" xml:lang="en-US">Amortized cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AmortizedCostHeldToMaturitySecurities" xlink:label="king_AmortizedCostHeldToMaturitySecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AmortizedCostHeldToMaturitySecurities" xlink:to="king_AmortizedCostHeldToMaturitySecurities_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AmortizedCostHeldToMaturitySecurities_lbl_2" xml:lang="en-US">[Amortized cost]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FairValueHeldToMaturitySecurities" xlink:to="king_FairValueHeldToMaturitySecurities_lbl_f24da6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_FairValueHeldToMaturitySecurities_lbl_f24da6" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FairValueHeldToMaturitySecurities" xlink:label="king_FairValueHeldToMaturitySecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FairValueHeldToMaturitySecurities" xlink:to="king_FairValueHeldToMaturitySecurities_lbl_3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FairValueHeldToMaturitySecurities_lbl_3" xml:lang="en-US">[Estimated fair value 3]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FixedmaturitySecurities" xlink:label="king_FixedmaturitySecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FixedmaturitySecurities" xlink:to="king_FixedmaturitySecurities_lbl_0537a6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedmaturitySecurities_lbl_0537a6" xml:lang="en-US">Fixed-maturity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_EquitySecurities1" xlink:label="king_EquitySecurities1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EquitySecurities1" xlink:to="king_EquitySecurities1_lbl_6eb0fb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EquitySecurities1_lbl_6eb0fb" xml:lang="en-US">Equity securities</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CashAndCashEquivalents" xlink:to="king_CashAndCashEquivalents_lbl_846a71" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_CashAndCashEquivalents_lbl_846a71" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CashAndCashEquivalents" xlink:label="king_CashAndCashEquivalents" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CashAndCashEquivalents" xlink:to="king_CashAndCashEquivalents_lbl_4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CashAndCashEquivalents_lbl_4" xml:lang="en-US">[Cash and cash equivalents]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalInvestments" xlink:to="king_TotalInvestments_lbl_3c5d36" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_TotalInvestments_lbl_3c5d36" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TotalInvestments" xlink:label="king_TotalInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalInvestments" xlink:to="king_TotalInvestments_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalInvestments_lbl_5" xml:lang="en-US">[Total]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentIncomeInvestmentExpense" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeInvestmentExpense" xlink:to="us-gaap_InvestmentIncomeInvestmentExpense_lbl_4ddda5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl_4ddda5" xml:lang="en-US">Investment expenses</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeNet" xlink:to="us-gaap_InvestmentIncomeNet_lbl_a3fa0a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InvestmentIncomeNet_lbl_a3fa0a" xml:lang="en-US">Net investment income</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentIncomeNet" xlink:label="us-gaap_InvestmentIncomeNet" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeNet" xlink:to="us-gaap_InvestmentIncomeNet_lbl_7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentIncomeNet_lbl_7" xml:lang="en-US">[Investment Income, Net]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_RealizedGainsLossesFixedMaturitysecuritiesMember" xlink:label="king_RealizedGainsLossesFixedMaturitysecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RealizedGainsLossesFixedMaturitysecuritiesMember" xlink:to="king_RealizedGainsLossesFixedMaturitysecuritiesMember_lbl_deca73" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RealizedGainsLossesFixedMaturitysecuritiesMember_lbl_deca73" xml:lang="en-US">Realized Gains Losses Fixed-maturity securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_RealizedGainsLossesEquitysecuritiesMember" xlink:label="king_RealizedGainsLossesEquitysecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RealizedGainsLossesEquitysecuritiesMember" xlink:to="king_RealizedGainsLossesEquitysecuritiesMember_lbl_b24b53" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RealizedGainsLossesEquitysecuritiesMember_lbl_b24b53" xml:lang="en-US">Realized Gains Losses Equity securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_RealizedGainsLossesOtherInvestmentsMember" xlink:label="king_RealizedGainsLossesOtherInvestmentsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RealizedGainsLossesOtherInvestmentsMember" xlink:to="king_RealizedGainsLossesOtherInvestmentsMember_lbl_54214e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RealizedGainsLossesOtherInvestmentsMember_lbl_54214e" xml:lang="en-US">Realized Gains Losses Other Investments [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_UnrealizedLossesGainsEquitysecuritiesMember" xlink:label="king_UnrealizedLossesGainsEquitysecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_UnrealizedLossesGainsEquitysecuritiesMember" xlink:to="king_UnrealizedLossesGainsEquitysecuritiesMember_lbl_bb9629" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_UnrealizedLossesGainsEquitysecuritiesMember_lbl_bb9629" xml:lang="en-US">Unrealized Losses Gains Equity securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_UnrealizedLossesGainsOtherInvestmentsMember" xlink:label="king_UnrealizedLossesGainsOtherInvestmentsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_UnrealizedLossesGainsOtherInvestmentsMember" xlink:to="king_UnrealizedLossesGainsOtherInvestmentsMember_lbl_16a134" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_UnrealizedLossesGainsOtherInvestmentsMember_lbl_16a134" xml:lang="en-US">Unrealized Losses Gains Other Investments [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSaleSecuritiesNetRealizedGainsLossesSaleProceeds" xlink:label="king_AvailableForSaleSecuritiesNetRealizedGainsLossesSaleProceeds" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesNetRealizedGainsLossesSaleProceeds" xlink:to="king_AvailableForSaleSecuritiesNetRealizedGainsLossesSaleProceeds_lbl_23cc05" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesNetRealizedGainsLossesSaleProceeds_lbl_23cc05" xml:lang="en-US">Net realized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingLoss" xlink:label="king_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingLoss" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingLoss" xlink:to="king_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingLoss_lbl_333a0c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingLoss_lbl_333a0c" xml:lang="en-US">Net unrealized gains (losses)</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetGainsOnInvestments" xlink:to="king_NetGainsOnInvestments_lbl_723244" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_NetGainsOnInvestments_lbl_723244" xml:lang="en-US">Net gains (losses) on investments</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NetGainsOnInvestments" xlink:label="king_NetGainsOnInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetGainsOnInvestments" xlink:to="king_NetGainsOnInvestments_lbl_4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetGainsOnInvestments_lbl_4" xml:lang="en-US">[Net gains (losses) on investments]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSalesSecuritiesGrossRealizedGains" xlink:label="king_AvailableForSalesSecuritiesGrossRealizedGains" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSalesSecuritiesGrossRealizedGains" xlink:to="king_AvailableForSalesSecuritiesGrossRealizedGains_lbl_7d2e7c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSalesSecuritiesGrossRealizedGains_lbl_7d2e7c" xml:lang="en-US">Gross realized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableforsalesSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:label="king_AvailableforsalesSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableforsalesSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:to="king_AvailableforsalesSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_lbl_55f90c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableforsalesSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_lbl_55f90c" xml:lang="en-US">Gross realized losses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_GrossGainsLossesOnOtherInvestments" xlink:label="king_GrossGainsLossesOnOtherInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossGainsLossesOnOtherInvestments" xlink:to="king_GrossGainsLossesOnOtherInvestments_lbl_92c54d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossGainsLossesOnOtherInvestments_lbl_92c54d" xml:lang="en-US">Total other investments</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSalesSecuritiesGrossRealizedLosses" xlink:to="king_AvailableForSalesSecuritiesGrossRealizedLosses_lbl_9272ab" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_AvailableForSalesSecuritiesGrossRealizedLosses_lbl_9272ab" xml:lang="en-US">Gross losses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSalesSecuritiesGrossRealizedLosses" xlink:label="king_AvailableForSalesSecuritiesGrossRealizedLosses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSalesSecuritiesGrossRealizedLosses" xlink:to="king_AvailableForSalesSecuritiesGrossRealizedLosses_lbl_8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSalesSecuritiesGrossRealizedLosses_lbl_8" xml:lang="en-US">[Gross losses]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NetGainLossOnSaleOfSecurities" xlink:label="king_NetGainLossOnSaleOfSecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetGainLossOnSaleOfSecurities" xlink:to="king_NetGainLossOnSaleOfSecurities_lbl_45c586" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetGainLossOnSaleOfSecurities_lbl_45c586" xml:lang="en-US">Total equity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TotalFixedMaturitySecurities" xlink:label="king_TotalFixedMaturitySecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalFixedMaturitySecurities" xlink:to="king_TotalFixedMaturitySecurities_lbl_f37a50" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalFixedMaturitySecurities_lbl_f37a50" xml:lang="en-US">Total fixed-maturity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:label="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:to="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_lbl_a5a593" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_lbl_a5a593" xml:lang="en-US">Defined Benefit Plan By Plan Asset Categories Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_USTreasuryAndGovernmentMember" xlink:label="us-gaap_USTreasuryAndGovernmentMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USTreasuryAndGovernmentMember" xlink:to="us-gaap_USTreasuryAndGovernmentMember_lbl_c51797" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_USTreasuryAndGovernmentMember_lbl_c51797" xml:lang="en-US">US Treasury and Government [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:label="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:to="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl_4d7605" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl_4d7605" xml:lang="en-US">Estimated fair value - less than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLosses" xlink:label="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLosses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLosses" xlink:to="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLosses_lbl_5cc43b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLosses_lbl_5cc43b" xml:lang="en-US">Unrealized losses - less than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLoss" xlink:label="king_HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLoss" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLoss" xlink:to="king_HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLoss_lbl_4f767e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLoss_lbl_4f767e" xml:lang="en-US">Number of positions held - less than 12 months</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:to="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl_68e044" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl_68e044" xml:lang="en-US">Estimated fair value - 12 months or more</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:label="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:to="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl_5" xml:lang="en-US">[Estimated fair value - 12 months or more]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:to="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl_6a33b1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_AvailableForSalesSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl_6a33b1" xml:lang="en-US">Estimated fair value - 12 months or more</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLosses" xlink:label="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLosses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLosses" xlink:to="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLosses_lbl_78364d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLosses_lbl_78364d" xml:lang="en-US">Unrealized losses - 12 months or more</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_HeldtomaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLoss" xlink:label="king_HeldtomaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLoss" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_HeldtomaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLoss" xlink:to="king_HeldtomaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLoss_lbl_94d4bc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_HeldtomaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLoss_lbl_94d4bc" xml:lang="en-US">Number of positions held - 12 months or more</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FairValueOptionLoansHeldAsAssetsAggregateDifferences" xlink:label="king_FairValueOptionLoansHeldAsAssetsAggregateDifferences" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FairValueOptionLoansHeldAsAssetsAggregateDifferences" xlink:to="king_FairValueOptionLoansHeldAsAssetsAggregateDifferences_lbl_74d3be" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FairValueOptionLoansHeldAsAssetsAggregateDifferences_lbl_74d3be" xml:lang="en-US">Estimated fair value - total</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLosses" xlink:label="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLosses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLosses" xlink:to="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLosses_lbl_f00393" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLosses_lbl_f00393" xml:lang="en-US">Unrealized losses - total</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodValue" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRedeemedOrCalledDuringPeriodValue" xlink:to="us-gaap_StockRedeemedOrCalledDuringPeriodValue_lbl_8171ab" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue_lbl_8171ab" xml:lang="en-US">Proceeds from the sale and redemption of fixed-maturity securities held-to-maturity</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ProceedsFromTheSaleOrMaturityOfFixedMaturitySecuritiesAvailableForSale" xlink:label="king_ProceedsFromTheSaleOrMaturityOfFixedMaturitySecuritiesAvailableForSale" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ProceedsFromTheSaleOrMaturityOfFixedMaturitySecuritiesAvailableForSale" xlink:to="king_ProceedsFromTheSaleOrMaturityOfFixedMaturitySecuritiesAvailableForSale_lbl_d59f1d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ProceedsFromTheSaleOrMaturityOfFixedMaturitySecuritiesAvailableForSale_lbl_d59f1d" xml:lang="en-US">Proceeds from the sale or maturity of fixed-maturity securities available-for-sale</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ProceedsFromSalesOfAvailableForSaleSecuritiesEquity" xlink:to="king_ProceedsFromSalesOfAvailableForSaleSecuritiesEquity_lbl_196c82" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ProceedsFromSalesOfAvailableForSaleSecuritiesEquity_lbl_196c82" xml:lang="en-US">Sale - equity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ProceedsFromSalesOfAvailableForSaleSecuritiesEquity" xlink:label="king_ProceedsFromSalesOfAvailableForSaleSecuritiesEquity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ProceedsFromSalesOfAvailableForSaleSecuritiesEquity" xlink:to="king_ProceedsFromSalesOfAvailableForSaleSecuritiesEquity_lbl_4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ProceedsFromSalesOfAvailableForSaleSecuritiesEquity_lbl_4" xml:lang="en-US">[Sale - equity securities]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentCollateralAmount" xlink:label="us-gaap_DebtInstrumentCollateralAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCollateralAmount" xlink:to="us-gaap_DebtInstrumentCollateralAmount_lbl_56b416" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentCollateralAmount_lbl_56b416" xml:lang="en-US">Amount of required collateral</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="us-gaap_InvestmentsFairValueDisclosure" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsFairValueDisclosure" xlink:to="us-gaap_InvestmentsFairValueDisclosure_lbl_ec7fb5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl_ec7fb5" xml:lang="en-US">Fair value of the eligible investments</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFairValue" xlink:to="us-gaap_DebtInstrumentFairValue_lbl_034072" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentFairValue_lbl_034072" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="us-gaap_DebtInstrumentFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFairValue" xlink:to="us-gaap_DebtInstrumentFairValue_lbl_7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentFairValue_lbl_7" xml:lang="en-US">[Debt Instrument, Fair Value Disclosure]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl_805ba1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl_805ba1" xml:lang="en-US">Fair Value By Fair Value Hierarchy Level Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_lbl_17e950" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl_17e950" xml:lang="en-US">Level 1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_lbl_101d51" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl_101d51" xml:lang="en-US">Level 2 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_lbl_a2dc87" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl_a2dc87" xml:lang="en-US">Level 3 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_USTreasurySecuritiesAndObligationsOfUSGovernmentCorporationsAndAgencies" xlink:label="king_USTreasurySecuritiesAndObligationsOfUSGovernmentCorporationsAndAgencies" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_USTreasurySecuritiesAndObligationsOfUSGovernmentCorporationsAndAgencies" xlink:to="king_USTreasurySecuritiesAndObligationsOfUSGovernmentCorporationsAndAgencies_lbl_d48423" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_USTreasurySecuritiesAndObligationsOfUSGovernmentCorporationsAndAgencies_lbl_d48423" xml:lang="en-US">U.S. Treasury securities and obligations of U.S. government corporations and agencies</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PoliticalSubdivisionsOfStatesTerritoriesAndPossessions" xlink:label="king_PoliticalSubdivisionsOfStatesTerritoriesAndPossessions" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PoliticalSubdivisionsOfStatesTerritoriesAndPossessions" xlink:to="king_PoliticalSubdivisionsOfStatesTerritoriesAndPossessions_lbl_35d9f8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PoliticalSubdivisionsOfStatesTerritoriesAndPossessions_lbl_35d9f8" xml:lang="en-US">Political subdivisions of states, territories and possessions</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CorporateAndOtherBondsIndustrialAndMiscellaneous" xlink:label="king_CorporateAndOtherBondsIndustrialAndMiscellaneous" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CorporateAndOtherBondsIndustrialAndMiscellaneous" xlink:to="king_CorporateAndOtherBondsIndustrialAndMiscellaneous_lbl_f3e789" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CorporateAndOtherBondsIndustrialAndMiscellaneous_lbl_f3e789" xml:lang="en-US">Corporate and other bonds industrial and miscellaneous</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ResidentialMortgageAndOtherAssetBackedSecurities" xlink:label="king_ResidentialMortgageAndOtherAssetBackedSecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ResidentialMortgageAndOtherAssetBackedSecurities" xlink:to="king_ResidentialMortgageAndOtherAssetBackedSecurities_lbl_2edb0b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ResidentialMortgageAndOtherAssetBackedSecurities_lbl_2edb0b" xml:lang="en-US">Residential mortgage and other asset backed securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FixedMaturitiesNet" xlink:label="king_FixedMaturitiesNet" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FixedMaturitiesNet" xlink:to="king_FixedMaturitiesNet_lbl_885506" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedMaturitiesNet_lbl_885506" xml:lang="en-US">Total fixed maturities</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EquityInvestments" xlink:to="king_EquityInvestments_lbl_3a06c7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_EquityInvestments_lbl_3a06c7" xml:lang="en-US">Equity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_EquityInvestments" xlink:label="king_EquityInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EquityInvestments" xlink:to="king_EquityInvestments_lbl_7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EquityInvestments_lbl_7" xml:lang="en-US">[Equity securities]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsFairValueDisclosure" xlink:to="us-gaap_AssetsFairValueDisclosure_lbl_33d729" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl_33d729" xml:lang="en-US">Total investments</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="us-gaap_AssetsFairValueDisclosure" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsFairValueDisclosure" xlink:to="us-gaap_AssetsFairValueDisclosure_lbl_8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl_8" xml:lang="en-US">[Assets, Fair Value Disclosure]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AlternativeInvestment" xlink:label="us-gaap_AlternativeInvestment" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AlternativeInvestment" xlink:to="us-gaap_AlternativeInvestment_lbl_7830b5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AlternativeInvestment_lbl_7830b5" xml:lang="en-US">Hedge fund investments</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeniorNotes" xlink:label="us-gaap_SeniorNotes" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeniorNotes" xlink:to="us-gaap_SeniorNotes_lbl_ed99d8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SeniorNotes_lbl_ed99d8" xml:lang="en-US">Senior Notes due 2024</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CarryingValueMember" xlink:label="king_CarryingValueMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CarryingValueMember" xlink:to="king_CarryingValueMember_lbl_f848ca" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CarryingValueMember_lbl_f848ca" xml:lang="en-US">Carrying Value [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FairValueMember" xlink:label="king_FairValueMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FairValueMember" xlink:to="king_FairValueMember_lbl_1ac022" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FairValueMember_lbl_1ac022" xml:lang="en-US">Fair Value [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FixedmaturityInvestmentsHeldToMaturity" xlink:label="king_FixedmaturityInvestmentsHeldToMaturity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FixedmaturityInvestmentsHeldToMaturity" xlink:to="king_FixedmaturityInvestmentsHeldToMaturity_lbl_599ae4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedmaturityInvestmentsHeldToMaturity_lbl_599ae4" xml:lang="en-US">Fixed-maturity securities held-to-maturity</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl_a2b1e0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl_a2b1e0" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl_3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl_3" xml:lang="en-US">[Cash and Cash Equivalents, Fair Value Disclosure]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceReceivablesCaseBasis" xlink:to="us-gaap_ReinsuranceReceivablesCaseBasis_lbl_adf8c2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ReinsuranceReceivablesCaseBasis_lbl_adf8c2" xml:lang="en-US">Reinsurance receivables, net</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ReinsuranceReceivablesCaseBasis" xlink:label="us-gaap_ReinsuranceReceivablesCaseBasis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceReceivablesCaseBasis" xlink:to="us-gaap_ReinsuranceReceivablesCaseBasis_lbl_4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReinsuranceReceivablesCaseBasis_lbl_4" xml:lang="en-US">[Reinsurance Recoverables, Case Basis]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableGross" xlink:to="us-gaap_PremiumsReceivableGross_lbl_f4d0c6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PremiumsReceivableGross_lbl_f4d0c6" xml:lang="en-US">Premiums receivable, net</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PremiumsReceivableGross" xlink:label="us-gaap_PremiumsReceivableGross" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsReceivableGross" xlink:to="us-gaap_PremiumsReceivableGross_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PremiumsReceivableGross_lbl_5" xml:lang="en-US">[Premiums Receivable, Gross]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RealEstateAccumulatedDepreciation" xlink:label="us-gaap_RealEstateAccumulatedDepreciation" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealEstateAccumulatedDepreciation" xlink:to="us-gaap_RealEstateAccumulatedDepreciation_lbl_eae747" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RealEstateAccumulatedDepreciation_lbl_eae747" xml:lang="en-US">Real estate, net of accumulated depreciation</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsurancePayable" xlink:to="us-gaap_ReinsurancePayable_lbl_40f5e1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ReinsurancePayable_lbl_40f5e1" xml:lang="en-US">Reinsurance balances payable</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualAxis" xlink:label="srt_TitleOfIndividualAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_TitleOfIndividualAxis" xlink:to="srt_TitleOfIndividualAxis_lbl_8d38fa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_TitleOfIndividualAxis_lbl_8d38fa" xml:lang="en-US">Title Of Individual Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl_1183ff" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl_1183ff" xml:lang="en-US">Property Plant And Equipment By Type Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PremiumswrittenMember" xlink:label="king_PremiumswrittenMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PremiumswrittenMember" xlink:to="king_PremiumswrittenMember_lbl_ac5bab" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PremiumswrittenMember_lbl_ac5bab" xml:lang="en-US">Premiums written Member</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ChangeinunearnedpremiumsMember" xlink:label="king_ChangeinunearnedpremiumsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ChangeinunearnedpremiumsMember" xlink:to="king_ChangeinunearnedpremiumsMember_lbl_43a2d8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ChangeinunearnedpremiumsMember_lbl_43a2d8" xml:lang="en-US">Change in unearned premiums [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PremiumsearnedMember" xlink:label="king_PremiumsearnedMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PremiumsearnedMember" xlink:to="king_PremiumsearnedMember_lbl_6a5a39" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PremiumsearnedMember_lbl_6a5a39" xml:lang="en-US">Premiums earned [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AssumedPropertyAndCasultyInsuranceActivity" xlink:label="king_AssumedPropertyAndCasultyInsuranceActivity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AssumedPropertyAndCasultyInsuranceActivity" xlink:to="king_AssumedPropertyAndCasultyInsuranceActivity_lbl_aa3206" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AssumedPropertyAndCasultyInsuranceActivity_lbl_aa3206" xml:lang="en-US">Assumed</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CededPropertyAndCasultyInsuranceActivity" xlink:label="king_CededPropertyAndCasultyInsuranceActivity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CededPropertyAndCasultyInsuranceActivity" xlink:to="king_CededPropertyAndCasultyInsuranceActivity_lbl_e8f35b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CededPropertyAndCasultyInsuranceActivity_lbl_e8f35b" xml:lang="en-US">Ceeded</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NetPropertyAndCasultyInsuranceActivity" xlink:label="king_NetPropertyAndCasultyInsuranceActivity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetPropertyAndCasultyInsuranceActivity" xlink:to="king_NetPropertyAndCasultyInsuranceActivity_lbl_488fd5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetPropertyAndCasultyInsuranceActivity_lbl_488fd5" xml:lang="en-US">Net</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_DirectPropertyAndCasultyInsuranceActivity" xlink:label="king_DirectPropertyAndCasultyInsuranceActivity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DirectPropertyAndCasultyInsuranceActivity" xlink:to="king_DirectPropertyAndCasultyInsuranceActivity_lbl_71ba52" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DirectPropertyAndCasultyInsuranceActivity_lbl_71ba52" xml:lang="en-US">Direct</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPropertyAndCasualtyInsuranceLiabilities" xlink:label="us-gaap_IncreaseDecreaseInPropertyAndCasualtyInsuranceLiabilities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPropertyAndCasualtyInsuranceLiabilities" xlink:to="us-gaap_IncreaseDecreaseInPropertyAndCasualtyInsuranceLiabilities_lbl_b6a87b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPropertyAndCasualtyInsuranceLiabilities_lbl_b6a87b" xml:lang="en-US">Balance at beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LessReinsuranceRecoverables" xlink:label="king_LessReinsuranceRecoverables" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LessReinsuranceRecoverables" xlink:to="king_LessReinsuranceRecoverables_lbl_89be2b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LessReinsuranceRecoverables_lbl_89be2b" xml:lang="en-US">Less reinsurance recoverables</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NetBalanceBeginningOfPeriod" xlink:label="king_NetBalanceBeginningOfPeriod" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetBalanceBeginningOfPeriod" xlink:to="king_NetBalanceBeginningOfPeriod_lbl_87c16b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetBalanceBeginningOfPeriod_lbl_87c16b" xml:lang="en-US">Net balance, beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CurrentYearPropertyAndCasultyInsuranceActivity" xlink:label="king_CurrentYearPropertyAndCasultyInsuranceActivity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CurrentYearPropertyAndCasultyInsuranceActivity" xlink:to="king_CurrentYearPropertyAndCasultyInsuranceActivity_lbl_ec52d4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CurrentYearPropertyAndCasultyInsuranceActivity_lbl_ec52d4" xml:lang="en-US">Current year</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PriorYearsPropertyAndCasultyInsuranceActivity" xlink:label="king_PriorYearsPropertyAndCasultyInsuranceActivity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PriorYearsPropertyAndCasultyInsuranceActivity" xlink:to="king_PriorYearsPropertyAndCasultyInsuranceActivity_lbl_973c93" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PriorYearsPropertyAndCasultyInsuranceActivity_lbl_973c93" xml:lang="en-US">Prior years</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TotalIncurredPropertyAndCasultyInsuranceActivity" xlink:label="king_TotalIncurredPropertyAndCasultyInsuranceActivity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalIncurredPropertyAndCasultyInsuranceActivity" xlink:to="king_TotalIncurredPropertyAndCasultyInsuranceActivity_lbl_21255c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalIncurredPropertyAndCasultyInsuranceActivity_lbl_21255c" xml:lang="en-US">Total incurred</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PaidRelatedToCurrentYear" xlink:to="king_PaidRelatedToCurrentYear_lbl_cb8f3d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_PaidRelatedToCurrentYear_lbl_cb8f3d" xml:lang="en-US">Current year</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PaidRelatedToCurrentYear" xlink:label="king_PaidRelatedToCurrentYear" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PaidRelatedToCurrentYear" xlink:to="king_PaidRelatedToCurrentYear_lbl_8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PaidRelatedToCurrentYear_lbl_8" xml:lang="en-US">[Current year]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PaidRelatedToPriorYears" xlink:to="king_PaidRelatedToPriorYears_lbl_2edf07" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_PaidRelatedToPriorYears_lbl_2edf07" xml:lang="en-US">Prior years</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PaidRelatedToPriorYears" xlink:label="king_PaidRelatedToPriorYears" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PaidRelatedToPriorYears" xlink:to="king_PaidRelatedToPriorYears_lbl_9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PaidRelatedToPriorYears_lbl_9" xml:lang="en-US">[Prior years]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PaidRelatedToTotalPaid" xlink:label="king_PaidRelatedToTotalPaid" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PaidRelatedToTotalPaid" xlink:to="king_PaidRelatedToTotalPaid_lbl_3f10b3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PaidRelatedToTotalPaid_lbl_3f10b3" xml:lang="en-US">Total paid</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NetBalanceAtEndOfPeriod" xlink:label="king_NetBalanceAtEndOfPeriod" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetBalanceAtEndOfPeriod" xlink:to="king_NetBalanceAtEndOfPeriod_lbl_cb4249" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetBalanceAtEndOfPeriod_lbl_cb4249" xml:lang="en-US">Net balance at end of period</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AddReinsuranceRecoverables" xlink:label="king_AddReinsuranceRecoverables" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AddReinsuranceRecoverables" xlink:to="king_AddReinsuranceRecoverables_lbl_b685ce" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AddReinsuranceRecoverables_lbl_b685ce" xml:lang="en-US">Add reinsurance recoverables</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_BalanceAtEndOfPeriod" xlink:label="king_BalanceAtEndOfPeriod" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_BalanceAtEndOfPeriod" xlink:to="king_BalanceAtEndOfPeriod_lbl_1c5402" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_BalanceAtEndOfPeriod_lbl_1c5402" xml:lang="en-US">Balance at end of period</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TwoThousandFourteenMember" xlink:label="king_TwoThousandFourteenMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandFourteenMember" xlink:to="king_TwoThousandFourteenMember_lbl_b3dc62" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandFourteenMember_lbl_b3dc62" xml:lang="en-US">2014</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TwoThousandFifteenMember" xlink:label="king_TwoThousandFifteenMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandFifteenMember" xlink:to="king_TwoThousandFifteenMember_lbl_51e4eb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandFifteenMember_lbl_51e4eb" xml:lang="en-US">2015</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TwoThousandSixteenMember" xlink:label="king_TwoThousandSixteenMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandSixteenMember" xlink:to="king_TwoThousandSixteenMember_lbl_09f2ff" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandSixteenMember_lbl_09f2ff" xml:lang="en-US">2016</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TwoThousandSeventeenMember" xlink:label="king_TwoThousandSeventeenMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandSeventeenMember" xlink:to="king_TwoThousandSeventeenMember_lbl_0c375b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandSeventeenMember_lbl_0c375b" xml:lang="en-US">2017</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TwoThousandEighteenMember" xlink:label="king_TwoThousandEighteenMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandEighteenMember" xlink:to="king_TwoThousandEighteenMember_lbl_236234" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandEighteenMember_lbl_236234" xml:lang="en-US">2018</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TwoThousandNineteenMember" xlink:label="king_TwoThousandNineteenMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandNineteenMember" xlink:to="king_TwoThousandNineteenMember_lbl_f42932" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandNineteenMember_lbl_f42932" xml:lang="en-US">2019</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TwoThousandTwentyMember" xlink:label="king_TwoThousandTwentyMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandTwentyMember" xlink:to="king_TwoThousandTwentyMember_lbl_bcfb59" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandTwentyMember_lbl_bcfb59" xml:lang="en-US">2020</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TwoThousandTwentyOneMember" xlink:label="king_TwoThousandTwentyOneMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandTwentyOneMember" xlink:to="king_TwoThousandTwentyOneMember_lbl_53d25f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandTwentyOneMember_lbl_53d25f" xml:lang="en-US">2021</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TwoThousandTwentyTwoMember" xlink:label="king_TwoThousandTwentyTwoMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandTwentyTwoMember" xlink:to="king_TwoThousandTwentyTwoMember_lbl_a0a5f3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandTwentyTwoMember_lbl_a0a5f3" xml:lang="en-US">2022</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TwoThousandTwentyThreeMember" xlink:label="king_TwoThousandTwentyThreeMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandTwentyThreeMember" xlink:to="king_TwoThousandTwentyThreeMember_lbl_c914c9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandTwentyThreeMember_lbl_c914c9" xml:lang="en-US">2023 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncurredClaimsPropertyCasualtyAndLiability" xlink:label="us-gaap_IncurredClaimsPropertyCasualtyAndLiability" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncurredClaimsPropertyCasualtyAndLiability" xlink:to="us-gaap_IncurredClaimsPropertyCasualtyAndLiability_lbl_43bf9b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncurredClaimsPropertyCasualtyAndLiability_lbl_43bf9b" xml:lang="en-US">Total incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2014" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2014" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2014" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2014_lbl_871beb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2014_lbl_871beb" xml:lang="en-US">2014 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount" xlink:to="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount_lbl_194aff" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount_lbl_194aff" xml:lang="en-US">IBNR</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims" xlink:label="us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims" xlink:to="us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims_lbl_932737" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims_lbl_932737" xml:lang="en-US">Cumulative Number of Reported Claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2015" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2015" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2015" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2015_lbl_8b0979" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2015_lbl_8b0979" xml:lang="en-US">2015 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2016" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2016" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2016" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2016_lbl_8a3eea" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2016_lbl_8a3eea" xml:lang="en-US">2016 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2017" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2017" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2017" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2017_lbl_581a60" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2017_lbl_581a60" xml:lang="en-US">2017 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2018" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2018" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2018" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2018_lbl_d50a70" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2018_lbl_d50a70" xml:lang="en-US">2018 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2019" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2019" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2019" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2019_lbl_1dcf7a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2019_lbl_1dcf7a" xml:lang="en-US">2019 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2020" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2020" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2020" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2020_lbl_9d9faa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2020_lbl_9d9faa" xml:lang="en-US">2020 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2021" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2021" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2021" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2021_lbl_470a3e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2021_lbl_470a3e" xml:lang="en-US">2021 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2022F" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2022F" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2022F" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2022F_lbl_93e2aa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2022F_lbl_93e2aa" xml:lang="en-US">2023 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2022" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2022" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2022" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2022_lbl_fd2980" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2022_lbl_fd2980" xml:lang="en-US">2022 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented" xlink:to="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented_lbl_5f6913" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented_lbl_5f6913" xml:lang="en-US">Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AllOutstandingLiabilitiesBefore2013NetOfReinsurance" xlink:label="king_AllOutstandingLiabilitiesBefore2013NetOfReinsurance" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AllOutstandingLiabilitiesBefore2013NetOfReinsurance" xlink:to="king_AllOutstandingLiabilitiesBefore2013NetOfReinsurance_lbl_c78b05" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AllOutstandingLiabilitiesBefore2013NetOfReinsurance_lbl_c78b05" xml:lang="en-US">All outstanding liabilities before 2014, net of reinsurance</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet" xlink:to="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl_b3f8e5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl_b3f8e5" xml:lang="en-US">Liabilities for claims and claim adjustment expenses, net of reinsurance</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:to="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl_aa3b1e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl_aa3b1e" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:label="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:to="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl_5" xml:lang="en-US">[Short-Duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2013" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2013" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2013" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2013_lbl_3dce15" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2013_lbl_3dce15" xml:lang="en-US">2013</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2014" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2014_lbl_8965a8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2014_lbl_8965a8" xml:lang="en-US">2014</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2014" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2014" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2014" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2014_lbl_7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2014_lbl_7" xml:lang="en-US">[2014]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2015" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2015_lbl_a9c82b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2015_lbl_a9c82b" xml:lang="en-US">2015</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2015" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2015" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2015" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2015_lbl_8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2015_lbl_8" xml:lang="en-US">[2015]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2016" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2016_lbl_6dfe7f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2016_lbl_6dfe7f" xml:lang="en-US">2016</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2016" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2016" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2016" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2016_lbl_9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2016_lbl_9" xml:lang="en-US">[2016]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2017" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2017_lbl_178753" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2017_lbl_178753" xml:lang="en-US">2017</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2017" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2017" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2017" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2017_lbl_10" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2017_lbl_10" xml:lang="en-US">[2017]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018_lbl_eb01f5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018_lbl_eb01f5" xml:lang="en-US">2018</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018_lbl_11" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018_lbl_11" xml:lang="en-US">[2018]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2019" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2019_lbl_3a6435" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2019_lbl_3a6435" xml:lang="en-US">2019</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2019" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2019" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2019" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2019_lbl_12" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2019_lbl_12" xml:lang="en-US">[2019]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2020" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2020_lbl_217103" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2020_lbl_217103" xml:lang="en-US">2020</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2020" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2020" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2020" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2020_lbl_13" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2020_lbl_13" xml:lang="en-US">[2020]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2021" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2021_lbl_6faec5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2021_lbl_6faec5" xml:lang="en-US">2021</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2021" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2021" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2021" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2021_lbl_14" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2021_lbl_14" xml:lang="en-US">[2021]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2022" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2022_lbl_b2adad" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2022_lbl_b2adad" xml:lang="en-US">2022</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2022" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2022" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2022" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2022_lbl_15" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2022_lbl_15" xml:lang="en-US">[2022]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2023" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2023" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2023" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2023_lbl_5abe30" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2023_lbl_5abe30" xml:lang="en-US">2023</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LiabilitiesForAllocatedLossAndLossAdjustmentExpensesNetOfReinsurance" xlink:label="king_LiabilitiesForAllocatedLossAndLossAdjustmentExpensesNetOfReinsurance" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LiabilitiesForAllocatedLossAndLossAdjustmentExpensesNetOfReinsurance" xlink:to="king_LiabilitiesForAllocatedLossAndLossAdjustmentExpensesNetOfReinsurance_lbl_1322b6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LiabilitiesForAllocatedLossAndLossAdjustmentExpensesNetOfReinsurance_lbl_1322b6" xml:lang="en-US">Liabilities for loss and loss adjustment expenses, net of reinsurance</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments" xlink:to="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl_6f7cf7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl_6f7cf7" xml:lang="en-US">Total reinsurance recoverable on unpaid losses</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet" xlink:to="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl_171ae8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl_171ae8" xml:lang="en-US">Unallocated loss adjustment expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TotalGrossLiabilityForLossAndLossAdjustmentExpenseReserves" xlink:label="king_TotalGrossLiabilityForLossAndLossAdjustmentExpenseReserves" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalGrossLiabilityForLossAndLossAdjustmentExpenseReserves" xlink:to="king_TotalGrossLiabilityForLossAndLossAdjustmentExpenseReserves_lbl_4570c1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalGrossLiabilityForLossAndLossAdjustmentExpenseReserves_lbl_4570c1" xml:lang="en-US">Total gross liability for loss and LAE reserves</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_StatementBusinessSegmentsAxis_lbl_636059" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl_636059" xml:lang="en-US">Statement Business Segments Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis" xlink:label="us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis" xlink:to="us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis_lbl_000d7f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis_lbl_000d7f" xml:lang="en-US">Liability For Catastrophe Claims By Catastrophic Event Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PropertyAndCasualtyPersonalInsuranceProductLinesMember" xlink:label="king_PropertyAndCasualtyPersonalInsuranceProductLinesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PropertyAndCasualtyPersonalInsuranceProductLinesMember" xlink:to="king_PropertyAndCasualtyPersonalInsuranceProductLinesMember_lbl_4cac67" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PropertyAndCasualtyPersonalInsuranceProductLinesMember_lbl_4cac67" xml:lang="en-US">Property And Casualty Personal Insurance Product Line [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CatastropheMember" xlink:label="us-gaap_CatastropheMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CatastropheMember" xlink:to="us-gaap_CatastropheMember_lbl_548550" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CatastropheMember_lbl_548550" xml:lang="en-US">Catastrophe [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_QuotaShareTreatyPercentCeded" xlink:label="king_QuotaShareTreatyPercentCeded" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_QuotaShareTreatyPercentCeded" xlink:to="king_QuotaShareTreatyPercentCeded_lbl_b0a66a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_QuotaShareTreatyPercentCeded_lbl_b0a66a" xml:lang="en-US">Quota share treaty percent ceded</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_RiskRetained1" xlink:label="king_RiskRetained1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RiskRetained1" xlink:to="king_RiskRetained1_lbl_516365" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RiskRetained1_lbl_516365" xml:lang="en-US">Risk retained on initial $1,000,000 of losses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LossesPerOccurrenceSubjectToQuotaShareReinsuranceCoverage" xlink:label="king_LossesPerOccurrenceSubjectToQuotaShareReinsuranceCoverage" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LossesPerOccurrenceSubjectToQuotaShareReinsuranceCoverage" xlink:to="king_LossesPerOccurrenceSubjectToQuotaShareReinsuranceCoverage_lbl_0c57b5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LossesPerOccurrenceSubjectToQuotaShareReinsuranceCoverage_lbl_0c57b5" xml:lang="en-US">Losses per occurrence subject to quota share reinsurance coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ExpirationDate1" xlink:label="king_ExpirationDate1" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ExpirationDate1_lbl_f261ff" xml:lang="en-US">Expiration</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ExcessOfLossCoverageAboveRiskRetained" xlink:label="king_ExcessOfLossCoverageAboveRiskRetained" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ExcessOfLossCoverageAboveRiskRetained_lbl_39866f" xml:lang="en-US">Excess of loss coverage and facultative facility coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_InExcessOf" xlink:label="king_InExcessOf" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_InExcessOf" xlink:to="king_InExcessOf_lbl_9541e0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_InExcessOf_lbl_9541e0" xml:lang="en-US">In excess of</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TotalReinsuranceCoveragePerOccurrence" xlink:label="king_TotalReinsuranceCoveragePerOccurrence" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalReinsuranceCoveragePerOccurrence_lbl_dbab67" xml:lang="en-US">Total reinsurance coverage per occurrence</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LossesPerOccurrenceSubjectReinsuranceCoverage" xlink:label="king_LossesPerOccurrenceSubjectReinsuranceCoverage" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LossesPerOccurrenceSubjectReinsuranceCoverage" xlink:to="king_LossesPerOccurrenceSubjectReinsuranceCoverage_lbl_4c8267" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LossesPerOccurrenceSubjectReinsuranceCoverage_lbl_4c8267" xml:lang="en-US">Losses per occurrence subject to reinsurance coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_Expiration1" xlink:label="king_Expiration1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_Expiration1" xlink:to="king_Expiration1_lbl_41d378" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_Expiration1_lbl_41d378" xml:lang="en-US">Expiration Date</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_InitialLossSubjectToPersonalLinesQuotaShareTreaty" xlink:label="king_InitialLossSubjectToPersonalLinesQuotaShareTreaty" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_InitialLossSubjectToPersonalLinesQuotaShareTreaty_lbl_938ce9" xml:lang="en-US">Initial loss subject to personal lines quota share treaty</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_RiskRetainedPerCatastropheOccurrence" xlink:label="king_RiskRetainedPerCatastropheOccurrence" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RiskRetainedPerCatastropheOccurrence_lbl_08d4cc" xml:lang="en-US">Risk retained per catastrophe occurrence</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CatastropheStubCoverage" xlink:label="king_CatastropheStubCoverage" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CatastropheStubCoverage" xlink:to="king_CatastropheStubCoverage_lbl_cdafb9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CatastropheStubCoverage_lbl_cdafb9" xml:lang="en-US">Catastrophe stub coverage for the period from October 18, 2021 through December 31, 2021</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_InExcessOf1" xlink:label="king_InExcessOf1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_InExcessOf1" xlink:to="king_InExcessOf1_lbl_126d7c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_InExcessOf1_lbl_126d7c" xml:lang="en-US">in excess of 1</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CatastropheLossCoverageInExcessOfQuotaShareCoverageWinterStormCoverage1" xlink:label="king_CatastropheLossCoverageInExcessOfQuotaShareCoverageWinterStormCoverage1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CatastropheLossCoverageInExcessOfQuotaShareCoverageWinterStormCoverage1" xlink:to="king_CatastropheLossCoverageInExcessOfQuotaShareCoverageWinterStormCoverage1_lbl_4a1319" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CatastropheLossCoverageInExcessOfQuotaShareCoverageWinterStormCoverage1_lbl_4a1319" xml:lang="en-US">Catastrophe loss coverage in excess of quota share coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ReinstatementPremiumProtection" xlink:label="king_ReinstatementPremiumProtection" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ReinstatementPremiumProtection" xlink:to="king_ReinstatementPremiumProtection_lbl_6532ea" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ReinstatementPremiumProtection_lbl_6532ea" xml:lang="en-US">Reinstatement premium protection</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskByTypeAxis_lbl_3fc083" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl_3fc083" xml:lang="en-US">Concentration Risk By Type Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PersonalUmbrellaMember" xlink:label="king_PersonalUmbrellaMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PersonalUmbrellaMember" xlink:to="king_PersonalUmbrellaMember_lbl_7b2147" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PersonalUmbrellaMember_lbl_7b2147" xml:lang="en-US">Personal Umbrella</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PercentCededFirstMillionDollarsOfCoverage" xlink:label="king_PercentCededFirstMillionDollarsOfCoverage" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PercentCededFirstMillionDollarsOfCoverage" xlink:to="king_PercentCededFirstMillionDollarsOfCoverage_lbl_5e9762" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PercentCededFirstMillionDollarsOfCoverage_lbl_5e9762" xml:lang="en-US">Percent ceded - first $1000000 of coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PercentCededExcessOfOneMillionOfCoverage" xlink:label="king_PercentCededExcessOfOneMillionOfCoverage" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PercentCededExcessOfOneMillionOfCoverage" xlink:to="king_PercentCededExcessOfOneMillionOfCoverage_lbl_739344" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PercentCededExcessOfOneMillionOfCoverage_lbl_739344" xml:lang="en-US">Percent ceded - excess of $1,000,000 dollars of coverage</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RiskRetained1" xlink:to="king_RiskRetained1_lbl_50785b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_RiskRetained1_lbl_50785b" xml:lang="en-US">Risk retained</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalReinsuranceCoveragePerOccurrence" xlink:to="king_TotalReinsuranceCoveragePerOccurrence_lbl_324779" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_TotalReinsuranceCoveragePerOccurrence_lbl_324779" xml:lang="en-US">Total reinsurance coverage per occurrence</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LossesPerOccurrenceSubjectToReinsuranceCoverage" xlink:to="king_LossesPerOccurrenceSubjectToReinsuranceCoverage_lbl_f34999" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_LossesPerOccurrenceSubjectToReinsuranceCoverage_lbl_f34999" xml:lang="en-US">Losses per occurrence subject to quota share reinsurance coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LossesPerOccurrenceSubjectToReinsuranceCoverage" xlink:label="king_LossesPerOccurrenceSubjectToReinsuranceCoverage" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LossesPerOccurrenceSubjectToReinsuranceCoverage" xlink:to="king_LossesPerOccurrenceSubjectToReinsuranceCoverage_lbl_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LossesPerOccurrenceSubjectToReinsuranceCoverage_lbl_6" xml:lang="en-US">[Losses per occurrence subject to quota share reinsurance coverage]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ExpirationDate" xlink:label="king_ExpirationDate" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ExpirationDate" xlink:to="king_ExpirationDate_lbl_a513bf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ExpirationDate_lbl_a513bf" xml:lang="en-US">Expiration date</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InsuranceCommissions" xlink:label="us-gaap_InsuranceCommissions" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuranceCommissions" xlink:to="us-gaap_InsuranceCommissions_lbl_c8ea2f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InsuranceCommissions_lbl_c8ea2f" xml:lang="en-US">Provisional ceding commissions earned</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ContingentCedingCommissionsEarned" xlink:label="king_ContingentCedingCommissionsEarned" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ContingentCedingCommissionsEarned" xlink:to="king_ContingentCedingCommissionsEarned_lbl_863aeb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ContingentCedingCommissionsEarned_lbl_863aeb" xml:lang="en-US">Contingent ceding commissions earned</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TotalCommissionsEarned" xlink:label="king_TotalCommissionsEarned" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalCommissionsEarned" xlink:to="king_TotalCommissionsEarned_lbl_d7e2fb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalCommissionsEarned_lbl_d7e2fb" xml:lang="en-US">Total commissions earned</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_lbl_decb25" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeAxis_lbl_decb25" xml:lang="en-US">Range [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ReinstatementPremiumProtectionMember" xlink:label="king_ReinstatementPremiumProtectionMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ReinstatementPremiumProtectionMember" xlink:to="king_ReinstatementPremiumProtectionMember_lbl_326098" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ReinstatementPremiumProtectionMember_lbl_326098" xml:lang="en-US">Reinstatement Premium Protection [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PersonalLinesMember" xlink:label="king_PersonalLinesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PersonalLinesMember" xlink:to="king_PersonalLinesMember_lbl_60c7a8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PersonalLinesMember_lbl_60c7a8" xml:lang="en-US">Personal Lines</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl_89cd1a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MinimumMember_lbl_89cd1a" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl_df4a4f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MaximumMember_lbl_df4a4f" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ReinsuranceDescription" xlink:label="king_ReinsuranceDescription" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ReinsuranceDescription" xlink:to="king_ReinsuranceDescription_lbl_c371a5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ReinsuranceDescription_lbl_c371a5" xml:lang="en-US">Reinsurance description</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NetContingentCedingCommissionsPayable" xlink:label="king_NetContingentCedingCommissionsPayable" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetContingentCedingCommissionsPayable" xlink:to="king_NetContingentCedingCommissionsPayable_lbl_a5679a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetContingentCedingCommissionsPayable_lbl_a5679a" xml:lang="en-US">Net contingent ceding commissions payable</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnSaleOfInsuranceBlock" xlink:label="us-gaap_GainLossOnSaleOfInsuranceBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfInsuranceBlock" xlink:to="us-gaap_GainLossOnSaleOfInsuranceBlock_lbl_225bcf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfInsuranceBlock_lbl_225bcf" xml:lang="en-US">Incurred losses and loss adjustment expenses are net of reinsurance recoveries under reinsurance contracts</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PriorYearLossDevelopment" xlink:label="king_PriorYearLossDevelopment" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PriorYearLossDevelopment" xlink:to="king_PriorYearLossDevelopment_lbl_ffb694" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PriorYearLossDevelopment_lbl_ffb694" xml:lang="en-US">Prior year loss development</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_InExcessOf1" xlink:to="king_InExcessOf1_lbl_d79a49" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_InExcessOf1_lbl_d79a49" xml:lang="en-US">in excess of 1</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CatastropheStubCoverage" xlink:to="king_CatastropheStubCoverage_lbl_fb52dc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_CatastropheStubCoverage_lbl_fb52dc" xml:lang="en-US">Catastrophe stub coverage for the period from October 18, 2021 through December 31, 2021</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ExcessOfCatastropheCoverage" xlink:label="king_ExcessOfCatastropheCoverage" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ExcessOfCatastropheCoverage" xlink:to="king_ExcessOfCatastropheCoverage_lbl_65cdc6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ExcessOfCatastropheCoverage_lbl_65cdc6" xml:lang="en-US">Excess of catastrophe coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ReinstatementOfPremiumProtectionAmount" xlink:label="king_ReinstatementOfPremiumProtectionAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ReinstatementOfPremiumProtectionAmount" xlink:to="king_ReinstatementOfPremiumProtectionAmount_lbl_1ad7b9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ReinstatementOfPremiumProtectionAmount_lbl_1ad7b9" xml:lang="en-US">Reinstatement of premium protection, amount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LossInExcessCoverageDescription" xlink:label="king_LossInExcessCoverageDescription" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LossInExcessCoverageDescription" xlink:to="king_LossInExcessCoverageDescription_lbl_5f9dfb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LossInExcessCoverageDescription_lbl_5f9dfb" xml:lang="en-US">Loss in excess coverage description</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_SingleRiskCoverage" xlink:label="king_SingleRiskCoverage" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SingleRiskCoverage" xlink:to="king_SingleRiskCoverage_lbl_bf24ab" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SingleRiskCoverage_lbl_bf24ab" xml:lang="en-US">Single risk coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_DirectLoss" xlink:label="king_DirectLoss" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DirectLoss" xlink:to="king_DirectLoss_lbl_61bbe6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DirectLoss_lbl_61bbe6" xml:lang="en-US">Direct loss</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NotesTwoThousandTwentyTwoMember" xlink:label="king_NotesTwoThousandTwentyTwoMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NotesTwoThousandTwentyTwoMember" xlink:to="king_NotesTwoThousandTwentyTwoMember_lbl_3e5820" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NotesTwoThousandTwentyTwoMember_lbl_3e5820" xml:lang="en-US">2022 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtMember" xlink:label="us-gaap_DebtMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtMember" xlink:to="us-gaap_DebtMember_lbl_39e3e2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtMember_lbl_39e3e2" xml:lang="en-US">Equipment Financing [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtCurrent" xlink:to="us-gaap_DebtCurrent_lbl_7670ae" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtCurrent_lbl_7670ae" xml:lang="en-US">Debt</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtCurrent" xlink:label="us-gaap_DebtCurrent" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtCurrent" xlink:to="us-gaap_DebtCurrent_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtCurrent_lbl_2" xml:lang="en-US">[Debt, Current]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateAxis" xlink:label="us-gaap_VariableRateAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateAxis_lbl_ca0b9a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableRateAxis_lbl_ca0b9a" xml:lang="en-US">Variable Rate Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis" xlink:to="us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_lbl_49285e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_lbl_49285e" xml:lang="en-US">Assets Sold Under Agreements To Repurchase Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightAxis" xlink:to="us-gaap_ClassOfWarrantOrRightAxis_lbl_c0238a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_lbl_c0238a" xml:lang="en-US">Class of Warrant or Right [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_IssuanceCostsMember" xlink:label="king_IssuanceCostsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IssuanceCostsMember" xlink:to="king_IssuanceCostsMember_lbl_fe0c5a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IssuanceCostsMember_lbl_fe0c5a" xml:lang="en-US">Issuance costs [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_SeniorUnsecuredNotesMember" xlink:label="king_SeniorUnsecuredNotesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SeniorUnsecuredNotesMember" xlink:to="king_SeniorUnsecuredNotesMember_lbl_59c551" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SeniorUnsecuredNotesMember_lbl_59c551" xml:lang="en-US">Senior Unsecured Notes [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_WarrantsMember" xlink:label="king_WarrantsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_WarrantsMember" xlink:to="king_WarrantsMember_lbl_f5aaa5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WarrantsMember_lbl_f5aaa5" xml:lang="en-US">Warrants [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMember" xlink:label="us-gaap_LongTermDebtMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMember" xlink:to="us-gaap_LongTermDebtMember_lbl_95290d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMember_lbl_95290d" xml:lang="en-US">Long Term Debt [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl_ed2bc1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebt_lbl_ed2bc1" xml:lang="en-US">Long-term debt, net</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl_1647c7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_LongTermDebt_lbl_1647c7" xml:lang="en-US">Long-term debt, net</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl_0abc04" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentAxis_lbl_0abc04" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_DecemberThirtyTwentyTwentyTwoToTwentyNineDecemberTwentyTwentyThreeMember" xlink:label="king_DecemberThirtyTwentyTwentyTwoToTwentyNineDecemberTwentyTwentyThreeMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DecemberThirtyTwentyTwentyTwoToTwentyNineDecemberTwentyTwentyThreeMember" xlink:to="king_DecemberThirtyTwentyTwentyTwoToTwentyNineDecemberTwentyTwentyThreeMember_lbl_9df795" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DecemberThirtyTwentyTwentyTwoToTwentyNineDecemberTwentyTwentyThreeMember_lbl_9df795" xml:lang="en-US">December 30, 2022 to December 29, 2023</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_DecemberThirtyTwentyTwentyThreeToTwentyNineSepTwentyTwentyFourMember" xlink:label="king_DecemberThirtyTwentyTwentyThreeToTwentyNineSepTwentyTwentyFourMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DecemberThirtyTwentyTwentyThreeToTwentyNineSepTwentyTwentyFourMember" xlink:to="king_DecemberThirtyTwentyTwentyThreeToTwentyNineSepTwentyTwentyFourMember_lbl_134c5f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DecemberThirtyTwentyTwentyThreeToTwentyNineSepTwentyTwentyFourMember_lbl_134c5f" xml:lang="en-US">December 30, 2023 to September 29, 2024</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_SepThirtyTwentyTwentyFourToTwentyNineDecTwentyTwentyFourMember" xlink:label="king_SepThirtyTwentyTwentyFourToTwentyNineDecTwentyTwentyFourMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SepThirtyTwentyTwentyFourToTwentyNineDecTwentyTwentyFourMember" xlink:to="king_SepThirtyTwentyTwentyFourToTwentyNineDecTwentyTwentyFourMember_lbl_22ff82" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SepThirtyTwentyTwentyFourToTwentyNineDecTwentyTwentyFourMember_lbl_22ff82" xml:lang="en-US">September 30, 2024 to December 29, 2024</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateIncreaseDecrease" xlink:label="us-gaap_DebtInstrumentInterestRateIncreaseDecrease" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateIncreaseDecrease" xlink:to="us-gaap_DebtInstrumentInterestRateIncreaseDecrease_lbl_7a72e7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateIncreaseDecrease_lbl_7a72e7" xml:lang="en-US">Accrued and unpaid interest</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl_41fce9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl_41fce9" xml:lang="en-US">2023</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl_2" xml:lang="en-US">[Long-Term Debt, Maturity, Year One]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl_df3142" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl_df3142" xml:lang="en-US">2024</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl_0e21d9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl_0e21d9" xml:lang="en-US">2025</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl_b88427" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl_b88427" xml:lang="en-US">2026</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl_215a13" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl_215a13" xml:lang="en-US">2027</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LongTermDebtMaturitiesRepaymentsOfPrincipalGross" xlink:to="king_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_lbl_6b129f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_lbl_6b129f" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LongTermDebtMaturitiesRepaymentsOfPrincipalGross" xlink:label="king_LongTermDebtMaturitiesRepaymentsOfPrincipalGross" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LongTermDebtMaturitiesRepaymentsOfPrincipalGross" xlink:to="king_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_lbl_7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LongTermDebtMaturitiesRepaymentsOfPrincipalGross_lbl_7" xml:lang="en-US">[Total 1]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PurchasePriceContractualPaymentObligations" xlink:label="king_PurchasePriceContractualPaymentObligations" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PurchasePriceContractualPaymentObligations" xlink:to="king_PurchasePriceContractualPaymentObligations_lbl_caf518" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PurchasePriceContractualPaymentObligations_lbl_caf518" xml:lang="en-US">2027 purchase price</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LongTermDebtMaturitiesRepaymentsOfPrincipal" xlink:label="king_LongTermDebtMaturitiesRepaymentsOfPrincipal" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LongTermDebtMaturitiesRepaymentsOfPrincipal" xlink:to="king_LongTermDebtMaturitiesRepaymentsOfPrincipal_lbl_a7a9ef" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LongTermDebtMaturitiesRepaymentsOfPrincipal_lbl_a7a9ef" xml:lang="en-US">Total purchase price</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis" xlink:label="srt_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis" xlink:to="srt_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_lbl_0e65ff" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_lbl_0e65ff" xml:lang="en-US">Federal Home Loan Bank Advances Branch Of F H L B Bank Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeniorNotesMember" xlink:label="us-gaap_SeniorNotesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeniorNotesMember" xlink:to="us-gaap_SeniorNotesMember_lbl_2dbff2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SeniorNotesMember_lbl_2dbff2" xml:lang="en-US">Senior Notes [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_FederalHomeLoanBankOfNewYorkMember" xlink:label="srt_FederalHomeLoanBankOfNewYorkMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_FederalHomeLoanBankOfNewYorkMember" xlink:to="srt_FederalHomeLoanBankOfNewYorkMember_lbl_1c4243" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_FederalHomeLoanBankOfNewYorkMember_lbl_1c4243" xml:lang="en-US">Federal Home Loan Bank of New York [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NotesTwentyTwentyTwoMember" xlink:label="king_NotesTwentyTwentyTwoMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NotesTwentyTwentyTwoMember" xlink:to="king_NotesTwentyTwentyTwoMember_lbl_5fa3b8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NotesTwentyTwentyTwoMember_lbl_5fa3b8" xml:lang="en-US">2022 Notes [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_EquipmentFinancingMember" xlink:label="king_EquipmentFinancingMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EquipmentFinancingMember" xlink:to="king_EquipmentFinancingMember_lbl_dbd03b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EquipmentFinancingMember_lbl_dbd03b" xml:lang="en-US">Equipment [Financing]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AdvancesLimitDescription" xlink:label="king_AdvancesLimitDescription" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AdvancesLimitDescription" xlink:to="king_AdvancesLimitDescription_lbl_0fee3c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AdvancesLimitDescription_lbl_0fee3c" xml:lang="en-US">Advances limit, description</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_MaximumAllowableAdvances" xlink:label="king_MaximumAllowableAdvances" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_MaximumAllowableAdvances" xlink:to="king_MaximumAllowableAdvances_lbl_00375f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_MaximumAllowableAdvances_lbl_00375f" xml:lang="en-US">Maximum allowable advances</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl_4bdd07" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingExpenses_lbl_4bdd07" xml:lang="en-US">Operating expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TotalTreasuryBills" xlink:label="king_TotalTreasuryBills" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalTreasuryBills" xlink:to="king_TotalTreasuryBills_lbl_e34325" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalTreasuryBills_lbl_e34325" xml:lang="en-US">Total Treasury Bills</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityCollateralFeesAmount" xlink:label="us-gaap_LineOfCreditFacilityCollateralFeesAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCollateralFeesAmount" xlink:to="us-gaap_LineOfCreditFacilityCollateralFeesAmount_lbl_59f141" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityCollateralFeesAmount_lbl_59f141" xml:lang="en-US">Collateral amount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NoteholderExchangeDescription" xlink:label="king_NoteholderExchangeDescription" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NoteholderExchangeDescription" xlink:to="king_NoteholderExchangeDescription_lbl_a22bf5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NoteholderExchangeDescription_lbl_a22bf5" xml:lang="en-US">Description of noteholder exchange</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl_c65126" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl_c65126" xml:lang="en-US">Debt instrument, face amount</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl_d994fc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl_d994fc" xml:lang="en-US">Debt instrument, interest rate</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl_3005c3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl_3005c3" xml:lang="en-US">Proceeds from issuance of unsecured notes</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_DebtInstrumentTransactionCost" xlink:label="king_DebtInstrumentTransactionCost" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DebtInstrumentTransactionCost" xlink:to="king_DebtInstrumentTransactionCost_lbl_dac4e0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DebtInstrumentTransactionCost_lbl_dac4e0" xml:lang="en-US">Debt instrument, transaction cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_DebtInstrumentYieldPercentage" xlink:label="king_DebtInstrumentYieldPercentage" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DebtInstrumentYieldPercentage" xlink:to="king_DebtInstrumentYieldPercentage_lbl_86d23c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DebtInstrumentYieldPercentage_lbl_86d23c" xml:lang="en-US">Debt instrument, yield percentage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TotalRentalRate" xlink:label="king_TotalRentalRate" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalRentalRate" xlink:to="king_TotalRentalRate_lbl_3c0787" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalRentalRate_lbl_3c0787" xml:lang="en-US">Total Rental Rate</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainsLossesOnSalesOfAssets" xlink:label="us-gaap_GainsLossesOnSalesOfAssets" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnSalesOfAssets" xlink:to="us-gaap_GainsLossesOnSalesOfAssets_lbl_dcf331" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainsLossesOnSalesOfAssets_lbl_dcf331" xml:lang="en-US">Sale of fixed assets</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_InterestRate" xlink:label="king_InterestRate" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_InterestRate" xlink:to="king_InterestRate_lbl_65c0d2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_InterestRate_lbl_65c0d2" xml:lang="en-US">Interest rate</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FinanceAmount" xlink:label="king_FinanceAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FinanceAmount" xlink:to="king_FinanceAmount_lbl_ce3a9d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FinanceAmount_lbl_ce3a9d" xml:lang="en-US">Finance amount principal</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForPurchaseOfOtherAssets1" xlink:label="us-gaap_PaymentsForPurchaseOfOtherAssets1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForPurchaseOfOtherAssets1" xlink:to="us-gaap_PaymentsForPurchaseOfOtherAssets1_lbl_bbd177" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForPurchaseOfOtherAssets1_lbl_bbd177" xml:lang="en-US">Purchase of fixed assets</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_lbl_0d7dfc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_TreasuryStockValue_lbl_0d7dfc" xml:lang="en-US">Treasury bill</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CapitalLeaseObligations" xlink:label="us-gaap_CapitalLeaseObligations" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligations" xlink:to="us-gaap_CapitalLeaseObligations_lbl_67e693" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeaseObligations_lbl_67e693" xml:lang="en-US">Collateral for the lease obligation</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumbers" xlink:label="king_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumbers" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumbers" xlink:to="king_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumbers_lbl_75a949" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumbers_lbl_75a949" xml:lang="en-US">Number of options outstanding, ending</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NumberOfOptionsOutstandingVestedAndExercisable" xlink:label="king_NumberOfOptionsOutstandingVestedAndExercisable" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NumberOfOptionsOutstandingVestedAndExercisable" xlink:to="king_NumberOfOptionsOutstandingVestedAndExercisable_lbl_267986" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NumberOfOptionsOutstandingVestedAndExercisable_lbl_267986" xml:lang="en-US">Number of options outstanding, vested and exercisable</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_WeightedAverageRemainingContractualBeginningBalance" xlink:label="king_WeightedAverageRemainingContractualBeginningBalance" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_WeightedAverageRemainingContractualBeginningBalance" xlink:to="king_WeightedAverageRemainingContractualBeginningBalance_lbl_8e40cd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAverageRemainingContractualBeginningBalance_lbl_8e40cd" xml:lang="en-US">Weighted Average Remaining Contractual, Beginning balance</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_WeightedAverageRemainingContractualTermEndingBalance" xlink:label="king_WeightedAverageRemainingContractualTermEndingBalance" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_WeightedAverageRemainingContractualTermEndingBalance" xlink:to="king_WeightedAverageRemainingContractualTermEndingBalance_lbl_779474" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAverageRemainingContractualTermEndingBalance_lbl_779474" xml:lang="en-US">Weighted Average Remaining Contractual term, Ending balance</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_lbl_268431" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_lbl_268431" xml:lang="en-US">Weighted Average Remaining Contractual life, vested and exercisable</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_WeightedAverageExercisePriceBeginningBalance" xlink:label="king_WeightedAverageExercisePriceBeginningBalance" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_WeightedAverageExercisePriceBeginningBalance" xlink:to="king_WeightedAverageExercisePriceBeginningBalance_lbl_d814f3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAverageExercisePriceBeginningBalance_lbl_d814f3" xml:lang="en-US">Weighted average exercise price, Beginning balance</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl_7339c9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl_7339c9" xml:lang="en-US">Weighted average exercise price, granted</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_WeightedAverageExercisePriceExercised" xlink:label="king_WeightedAverageExercisePriceExercised" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_WeightedAverageExercisePriceExercised" xlink:to="king_WeightedAverageExercisePriceExercised_lbl_679c78" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAverageExercisePriceExercised_lbl_679c78" xml:lang="en-US">Weighted average exercise price, Exercised</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl_8a1d00" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl_8a1d00" xml:lang="en-US">Weighted average exercise price, Forfeited</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_WeightedAverageExercisePriceEndingBalance" xlink:label="king_WeightedAverageExercisePriceEndingBalance" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_WeightedAverageExercisePriceEndingBalance" xlink:to="king_WeightedAverageExercisePriceEndingBalance_lbl_99faad" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAverageExercisePriceEndingBalance_lbl_99faad" xml:lang="en-US">Weighted average exercise price, Ending balance</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_WeightedAveragePricePerShareOutstandingVestedAndExercisable" xlink:label="king_WeightedAveragePricePerShareOutstandingVestedAndExercisable" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_WeightedAveragePricePerShareOutstandingVestedAndExercisable" xlink:to="king_WeightedAveragePricePerShareOutstandingVestedAndExercisable_lbl_261160" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAveragePricePerShareOutstandingVestedAndExercisable_lbl_261160" xml:lang="en-US">Weighted Average Price per share outstanding, vested and exercisable</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AggregateIntrinsicValueVestedAndExercisable" xlink:label="king_AggregateIntrinsicValueVestedAndExercisable" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AggregateIntrinsicValueVestedAndExercisable" xlink:to="king_AggregateIntrinsicValueVestedAndExercisable_lbl_c32193" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AggregateIntrinsicValueVestedAndExercisable_lbl_c32193" xml:lang="en-US">Aggregate Intrinsic Value , vested and exercisable</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl_c8373a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardTypeAxis_lbl_c8373a" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockMember" xlink:label="us-gaap_RestrictedStockMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="us-gaap_RestrictedStockMember_lbl_57c6b3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockMember_lbl_57c6b3" xml:lang="en-US">Restricted Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl_3b5d30" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl_3b5d30" xml:lang="en-US">Granted shares</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_9b579b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_9b579b" xml:lang="en-US">Number of options outstanding, beginning | shares</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_3" xml:lang="en-US">[Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_1fee25" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_1fee25" xml:lang="en-US">Number of options outstanding, ending | shares</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl_3199b3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl_3199b3" xml:lang="en-US">Vested shares</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl_5" xml:lang="en-US">[Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl_813d9d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl_813d9d" xml:lang="en-US">Forfeited shares</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl_6" xml:lang="en-US">[Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl_4f5a2b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl_4f5a2b" xml:lang="en-US">Weighted Average Grant Date Fair Value per Share, beginning balance</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl_ad9313" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl_ad9313" xml:lang="en-US">Weighted Average Grant Date Fair Value per Share, granted</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl_d7895a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl_d7895a" xml:lang="en-US">Weighted Average Grant Date Fair Value per Share, vested</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_lbl_0b5d80" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_lbl_0b5d80" xml:lang="en-US">Weighted Average Grant Date Fair Value per Share, forfeited</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValues" xlink:label="king_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValues" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValues" xlink:to="king_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValues_lbl_9690eb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValues_lbl_9690eb" xml:lang="en-US">Weighted Average Grant Date Fair Value per Share, ending balance</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl_17a623" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl_17a623" xml:lang="en-US">Aggregate Fair Value, beginning balance</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl_12" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl_12" xml:lang="en-US">[Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_lbl_f528f0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_lbl_f528f0" xml:lang="en-US">Aggregate Fair Value, granted</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_lbl_d94d92" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_lbl_d94d92" xml:lang="en-US">Aggregate Fair Value, vested</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_lbl_14" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_lbl_14" xml:lang="en-US">[Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AggregateFairValueForfeited" xlink:label="king_AggregateFairValueForfeited" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AggregateFairValueForfeited" xlink:to="king_AggregateFairValueForfeited_lbl_28b3ff" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AggregateFairValueForfeited_lbl_28b3ff" xml:lang="en-US">Aggregate Fair Value, Forfeited</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValues" xlink:label="king_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValues" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValues" xlink:to="king_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValues_lbl_b80d49" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValues_lbl_b80d49" xml:lang="en-US">Aggregate Fair Value, ending balance</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardDateAxis" xlink:label="us-gaap_AwardDateAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardDateAxis" xlink:to="us-gaap_AwardDateAxis_lbl_f2330b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardDateAxis_lbl_f2330b" xml:lang="en-US">Award Date [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_TenMayTwoThousandsTwentyThreeMember" xlink:label="king_TenMayTwoThousandsTwentyThreeMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TenMayTwoThousandsTwentyThreeMember" xlink:to="king_TenMayTwoThousandsTwentyThreeMember_lbl_0f9b6f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TenMayTwoThousandsTwentyThreeMember_lbl_0f9b6f" xml:lang="en-US">10 May 2023 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DividendsCommonStock" xlink:label="us-gaap_DividendsCommonStock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCommonStock" xlink:to="us-gaap_DividendsCommonStock_lbl_69e70d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsCommonStock_lbl_69e70d" xml:lang="en-US">Dividends declared</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_StockBasedCompensationForStockOptions" xlink:label="king_StockBasedCompensationForStockOptions" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_StockBasedCompensationForStockOptions" xlink:to="king_StockBasedCompensationForStockOptions_lbl_40c0cf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StockBasedCompensationForStockOptions_lbl_40c0cf" xml:lang="en-US">Stock based compensation for stock options</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilityForFuturePolicyBenefitByProductSegmentInterestRateYearOfIssue" xlink:label="us-gaap_LiabilityForFuturePolicyBenefitByProductSegmentInterestRateYearOfIssue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForFuturePolicyBenefitByProductSegmentInterestRateYearOfIssue" xlink:to="us-gaap_LiabilityForFuturePolicyBenefitByProductSegmentInterestRateYearOfIssue_lbl_e74667" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilityForFuturePolicyBenefitByProductSegmentInterestRateYearOfIssue_lbl_e74667" xml:lang="en-US">Net of estimated forfeitures of approximately</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ShareBasedCompensationUnderOffering" xlink:label="king_ShareBasedCompensationUnderOffering" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShareBasedCompensationUnderOffering" xlink:to="king_ShareBasedCompensationUnderOffering_lbl_5c9ca9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShareBasedCompensationUnderOffering_lbl_5c9ca9" xml:lang="en-US">Share-based compensation under offering</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_StockBasedCompensationForGrants" xlink:label="king_StockBasedCompensationForGrants" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_StockBasedCompensationForGrants" xlink:to="king_StockBasedCompensationForGrants_lbl_8d5ac9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StockBasedCompensationForGrants_lbl_8d5ac9" xml:lang="en-US">Stock based compensation for grants</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl_b9daeb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl_b9daeb" xml:lang="en-US">Weighted-average vesting period</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl_3087b3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl_3087b3" xml:lang="en-US">Exercise price</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharePrice" xlink:label="us-gaap_SharePrice" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharePrice" xlink:to="us-gaap_SharePrice_lbl_6d85e6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharePrice_lbl_6d85e6" xml:lang="en-US">Closing price of common stock</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_WarrantsIssuedToPurchaseCommonStock" xlink:label="king_WarrantsIssuedToPurchaseCommonStock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_WarrantsIssuedToPurchaseCommonStock" xlink:to="king_WarrantsIssuedToPurchaseCommonStock_lbl_954ea6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WarrantsIssuedToPurchaseCommonStock_lbl_954ea6" xml:lang="en-US">warrants issued to purchase common stock</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FairValueOfUnamortizedCompensationCost" xlink:label="king_FairValueOfUnamortizedCompensationCost" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FairValueOfUnamortizedCompensationCost" xlink:to="king_FairValueOfUnamortizedCompensationCost_lbl_4f76ae" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FairValueOfUnamortizedCompensationCost_lbl_4f76ae" xml:lang="en-US">Fair value of unamortized compensation cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_MaximumSharePurchaseUnderEspp" xlink:label="king_MaximumSharePurchaseUnderEspp" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_MaximumSharePurchaseUnderEspp" xlink:to="king_MaximumSharePurchaseUnderEspp_lbl_c32081" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_MaximumSharePurchaseUnderEspp_lbl_c32081" xml:lang="en-US">Maximum share purchase under ESPP</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:to="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_lbl_4f3ae7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_lbl_4f3ae7" xml:lang="en-US">Maximum share purchased by employee</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssuedPricePerShare" xlink:to="us-gaap_SharesIssuedPricePerShare_lbl_7c02e2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl_7c02e2" xml:lang="en-US">Price per share</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PurchaseObligation" xlink:label="us-gaap_PurchaseObligation" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PurchaseObligation" xlink:to="us-gaap_PurchaseObligation_lbl_22aae7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PurchaseObligation_lbl_22aae7" xml:lang="en-US">Total purchase</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightOutstanding" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightOutstanding" xlink:to="us-gaap_ClassOfWarrantOrRightOutstanding_lbl_2d4363" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl_2d4363" xml:lang="en-US">Purchase Of Warrants</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CommonStockShareAuthorized" xlink:label="king_CommonStockShareAuthorized" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CommonStockShareAuthorized" xlink:to="king_CommonStockShareAuthorized_lbl_7d397f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CommonStockShareAuthorized_lbl_7d397f" xml:lang="en-US">Common stock shares authorized</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl_d89506" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl_d89506" xml:lang="en-US">Common stock shares authorized</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:to="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl_a2d492" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl_a2d492" xml:lang="en-US">Shares reserved</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl_30f5e1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl_30f5e1" xml:lang="en-US">Deferred tax asset:</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl_371663" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl_371663" xml:lang="en-US">Net operating loss carryovers (1)</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_ClaimsReserveDiscount" xlink:label="king_ClaimsReserveDiscount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ClaimsReserveDiscount" xlink:to="king_ClaimsReserveDiscount_lbl_230c7f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ClaimsReserveDiscount_lbl_230c7f" xml:lang="en-US">Claims reserve discount</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxAssetsDeferredIncome" xlink:label="us-gaap_DeferredTaxAssetsDeferredIncome" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsDeferredIncome" xlink:to="us-gaap_DeferredTaxAssetsDeferredIncome_lbl_77c62c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsDeferredIncome_lbl_77c62c" xml:lang="en-US">Unearned premium</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_DeferredCedingCommissionRevenuedDeferredTax" xlink:label="king_DeferredCedingCommissionRevenuedDeferredTax" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DeferredCedingCommissionRevenuedDeferredTax" xlink:to="king_DeferredCedingCommissionRevenuedDeferredTax_lbl_cd0c58" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DeferredCedingCommissionRevenuedDeferredTax_lbl_cd0c58" xml:lang="en-US">Deferred ceding commission revenues</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxAssetsUnrealizedLossesOnTradingSecurities" xlink:label="us-gaap_DeferredTaxAssetsUnrealizedLossesOnTradingSecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsUnrealizedLossesOnTradingSecurities" xlink:to="us-gaap_DeferredTaxAssetsUnrealizedLossesOnTradingSecurities_lbl_51310f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsUnrealizedLossesOnTradingSecurities_lbl_51310f" xml:lang="en-US">Net unrealized losses on securities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="us-gaap_DeferredTaxAssetsOther" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOther" xlink:to="us-gaap_DeferredTaxAssetsOther_lbl_97af11" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl_97af11" xml:lang="en-US">Other</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="us-gaap_DeferredTaxAssetsGross" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsGross_lbl_e5282f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl_e5282f" xml:lang="en-US">Total deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl_76a203" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl_76a203" xml:lang="en-US">Deferred tax liability:</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxLiabilitiesInvestments" xlink:label="us-gaap_DeferredTaxLiabilitiesInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesInvestments" xlink:to="us-gaap_DeferredTaxLiabilitiesInvestments_lbl_70b809" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesInvestments_lbl_70b809" xml:lang="en-US">Investment in KICO (2)</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxLiabilitiesDeferredExpense" xlink:label="us-gaap_DeferredTaxLiabilitiesDeferredExpense" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesDeferredExpense" xlink:to="us-gaap_DeferredTaxLiabilitiesDeferredExpense_lbl_be36d7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesDeferredExpense_lbl_be36d7" xml:lang="en-US">Deferred acquisition costs</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" xlink:to="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl_f9d967" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl_f9d967" xml:lang="en-US">Intangibles</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:to="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl_8a295b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl_8a295b" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:to="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl_14" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl_14" xml:lang="en-US">[Deferred Tax Liabilities, Property, Plant and Equipment]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="us-gaap_DeferredIncomeTaxLiabilities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxLiabilities" xlink:to="us-gaap_DeferredIncomeTaxLiabilities_lbl_2ed491" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl_2ed491" xml:lang="en-US">Total deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_NetDeferredIncomeTaxLiabilityAsset" xlink:label="king_NetDeferredIncomeTaxLiabilityAsset" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetDeferredIncomeTaxLiabilityAsset" xlink:to="king_NetDeferredIncomeTaxLiabilityAsset_lbl_71cb97" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetDeferredIncomeTaxLiabilityAsset_lbl_71cb97" xml:lang="en-US">Net deferred income tax (liability) asset</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_FederalNetOperatingLoss" xlink:label="king_FederalNetOperatingLoss" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FederalNetOperatingLoss" xlink:to="king_FederalNetOperatingLoss_lbl_4add18" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FederalNetOperatingLoss_lbl_4add18" xml:lang="en-US">Federal only, NOL</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_StateNetOperatingLoss" xlink:label="king_StateNetOperatingLoss" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_StateNetOperatingLoss" xlink:to="king_StateNetOperatingLoss_lbl_3eb16c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StateNetOperatingLoss_lbl_3eb16c" xml:lang="en-US">State only (A)</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_StateNetOperatingLossExpirationPeriod" xlink:label="king_StateNetOperatingLossExpirationPeriod" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_StateNetOperatingLossExpirationPeriod" xlink:to="king_StateNetOperatingLossExpirationPeriod_lbl_b541e9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StateNetOperatingLossExpirationPeriod_lbl_b541e9" xml:lang="en-US">State only A</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance_lbl_ba6904" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl_ba6904" xml:lang="en-US">Valuation allowance</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl_5" xml:lang="en-US">[Deferred Tax Assets, Valuation Allowance]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_StateOnlyNetOfValuationAllowance" xlink:label="king_StateOnlyNetOfValuationAllowance" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_StateOnlyNetOfValuationAllowance" xlink:to="king_StateOnlyNetOfValuationAllowance_lbl_cdfd47" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StateOnlyNetOfValuationAllowance_lbl_cdfd47" xml:lang="en-US">State only, net of valuation allowance</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl_695efc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl_695efc" xml:lang="en-US">Total deferred tax asset from net operating loss carryovers</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComputerEquipmentMember" xlink:label="us-gaap_ComputerEquipmentMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComputerEquipmentMember" xlink:to="us-gaap_ComputerEquipmentMember_lbl_102208" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComputerEquipmentMember_lbl_102208" xml:lang="en-US">Computer Equipment [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwards" xlink:to="us-gaap_OperatingLossCarryforwards_lbl_57816d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwards_lbl_57816d" xml:lang="en-US">Net operating loss carryover</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ReceivableWithImputedInterestFaceAmount" xlink:label="us-gaap_ReceivableWithImputedInterestFaceAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivableWithImputedInterestFaceAmount" xlink:to="us-gaap_ReceivableWithImputedInterestFaceAmount_lbl_14f569" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReceivableWithImputedInterestFaceAmount_lbl_14f569" xml:lang="en-US">Consideration exchange principal amount</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeFixedInterestRate" xlink:label="us-gaap_DerivativeFixedInterestRate" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFixedInterestRate" xlink:to="us-gaap_DerivativeFixedInterestRate_lbl_ed9611" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeFixedInterestRate_lbl_ed9611" xml:lang="en-US">Acquired equity interest rate</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetBackedSecuritiesAtCarryingValue" xlink:label="us-gaap_AssetBackedSecuritiesAtCarryingValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetBackedSecuritiesAtCarryingValue" xlink:to="us-gaap_AssetBackedSecuritiesAtCarryingValue_lbl_d4457d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetBackedSecuritiesAtCarryingValue_lbl_d4457d" xml:lang="en-US">Original purchase surplus notes</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestReceivable" xlink:label="us-gaap_InterestReceivable" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestReceivable" xlink:to="us-gaap_InterestReceivable_lbl_1640c7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestReceivable_lbl_1640c7" xml:lang="en-US">Untaxed interest</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender" xlink:label="us-gaap_DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender" xlink:to="us-gaap_DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender_lbl_412fea" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender_lbl_412fea" xml:lang="en-US">Deferred tax liability reduced</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredTaxAssetsFrequentFlierLiability" xlink:label="us-gaap_DeferredTaxAssetsFrequentFlierLiability" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsFrequentFlierLiability" xlink:to="us-gaap_DeferredTaxAssetsFrequentFlierLiability_lbl_ce4752" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsFrequentFlierLiability_lbl_ce4752" xml:lang="en-US">Deferred tax liability</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl_3ed41e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl_3ed41e" xml:lang="en-US">Weighted average number of shares outstanding</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DilutiveSecurities" xlink:label="us-gaap_DilutiveSecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DilutiveSecurities" xlink:to="us-gaap_DilutiveSecurities_lbl_639336" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DilutiveSecurities_lbl_639336" xml:lang="en-US">Effect of dilutive securities, common share equivalents: Stock options</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_EffectOfDilutiveSecuritiesCommonShareEquivalentsWarrants" xlink:label="king_EffectOfDilutiveSecuritiesCommonShareEquivalentsWarrants" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EffectOfDilutiveSecuritiesCommonShareEquivalentsWarrants" xlink:to="king_EffectOfDilutiveSecuritiesCommonShareEquivalentsWarrants_lbl_97ec9a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EffectOfDilutiveSecuritiesCommonShareEquivalentsWarrants_lbl_97ec9a" xml:lang="en-US">Effect of dilutive securities, common share equivalents: Warrants</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits" xlink:label="us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits" xlink:to="us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_lbl_6bd071" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_lbl_6bd071" xml:lang="en-US">Effect of dilutive securities, common share equivalents: Restricted stock awards</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl_195a2d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl_195a2d" xml:lang="en-US">Weighted average number of shares outstanding, used for computing diluted earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseCost" xlink:label="us-gaap_OperatingLeaseCost" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseCost" xlink:to="us-gaap_OperatingLeaseCost_lbl_756e83" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseCost_lbl_756e83" xml:lang="en-US">Operating leases</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CashPaymentsIncludedInMeasurementOfLeaseLiabilityInOperatingCashFlows" xlink:label="king_CashPaymentsIncludedInMeasurementOfLeaseLiabilityInOperatingCashFlows" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CashPaymentsIncludedInMeasurementOfLeaseLiabilityInOperatingCashFlows" xlink:to="king_CashPaymentsIncludedInMeasurementOfLeaseLiabilityInOperatingCashFlows_lbl_38ff4d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CashPaymentsIncludedInMeasurementOfLeaseLiabilityInOperatingCashFlows_lbl_38ff4d" xml:lang="en-US">Cash payments included in the measurement of lease liability in operating cash flows</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl_d3a084" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl_d3a084" xml:lang="en-US">Discount rate</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_RemainingLeaseTermInYearsKICO" xlink:label="king_RemainingLeaseTermInYearsKICO" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RemainingLeaseTermInYearsKICO" xlink:to="king_RemainingLeaseTermInYearsKICO_lbl_0445b4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RemainingLeaseTermInYearsKICO_lbl_0445b4" xml:lang="en-US">Remaining lease term in years in KICO</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl_716e46" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl_716e46" xml:lang="en-US">2023</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl_2" xml:lang="en-US">[Operating Leases, Future Minimum Payments Due, Next 12 Months]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl_eefea0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl_eefea0" xml:lang="en-US">2024</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl_3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl_3" xml:lang="en-US">[Operating Leases, Future Minimum Payments, Due in Two Years]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl_b52f36" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl_b52f36" xml:lang="en-US">Total undiscounted lease payments</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl_4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl_4" xml:lang="en-US">[Operating Leases, Future Minimum Payments Due]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_OperatingLeaseLiabilityLessPresentValueAdjustment" xlink:label="king_OperatingLeaseLiabilityLessPresentValueAdjustment" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_OperatingLeaseLiabilityLessPresentValueAdjustment" xlink:to="king_OperatingLeaseLiabilityLessPresentValueAdjustment_lbl_f15631" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_OperatingLeaseLiabilityLessPresentValueAdjustment_lbl_f15631" xml:lang="en-US">Less: present value adjustment</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability_lbl_78ab93" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingLeaseLiability_lbl_78ab93" xml:lang="en-US">Operating lease liability</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability_lbl_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiability_lbl_6" xml:lang="en-US">[Operating Lease, Liability]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionAxis" xlink:label="us-gaap_RelatedPartyTransactionAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionAxis" xlink:to="us-gaap_RelatedPartyTransactionAxis_lbl_6f3a6e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl_6f3a6e" xml:lang="en-US">Related Party Transaction [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementAxis" xlink:label="srt_RestatementAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RestatementAxis" xlink:to="srt_RestatementAxis_lbl_ba004e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RestatementAxis_lbl_ba004e" xml:lang="en-US">Restatement Axis</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_CosiLeaseMember" xlink:label="king_CosiLeaseMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CosiLeaseMember" xlink:to="king_CosiLeaseMember_lbl_398fda" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CosiLeaseMember_lbl_398fda" xml:lang="en-US">Cosi Lease [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_BarryGoldsteinPresidentChiefExecutiveOfficerandExecutiveChairmanoftheBoardMember" xlink:label="king_BarryGoldsteinPresidentChiefExecutiveOfficerandExecutiveChairmanoftheBoardMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_BarryGoldsteinPresidentChiefExecutiveOfficerandExecutiveChairmanoftheBoardMember" xlink:to="king_BarryGoldsteinPresidentChiefExecutiveOfficerandExecutiveChairmanoftheBoardMember_lbl_0d5ed5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_BarryGoldsteinPresidentChiefExecutiveOfficerandExecutiveChairmanoftheBoardMember_lbl_0d5ed5" xml:lang="en-US">Barry Goldstein, President, Chief Executive Officer and Executive Chairman of the Board [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_EmploymentAgreementMember" xlink:label="king_EmploymentAgreementMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EmploymentAgreementMember" xlink:to="king_EmploymentAgreementMember_lbl_fb6680" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EmploymentAgreementMember_lbl_fb6680" xml:lang="en-US">Employment Agreement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_AmendedEmploymentAgreementMember" xlink:label="king_AmendedEmploymentAgreementMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AmendedEmploymentAgreementMember" xlink:to="king_AmendedEmploymentAgreementMember_lbl_a5110d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AmendedEmploymentAgreementMember_lbl_a5110d" xml:lang="en-US">Amended Employment Agreement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_JanuaryTwoThousandTwentyMember" xlink:label="king_JanuaryTwoThousandTwentyMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_JanuaryTwoThousandTwentyMember" xlink:to="king_JanuaryTwoThousandTwentyMember_lbl_e2d52d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_JanuaryTwoThousandTwentyMember_lbl_e2d52d" xml:lang="en-US">January 2020 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_MrGoldsteinMember" xlink:label="king_MrGoldsteinMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_MrGoldsteinMember" xlink:to="king_MrGoldsteinMember_lbl_61b6c5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_MrGoldsteinMember_lbl_61b6c5" xml:lang="en-US">Barry GoldsteinMr. Goldstein [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl_a71af9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="srt_MinimumMember_lbl_a71af9" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_GoldenEmloymentAgreementMember" xlink:label="king_GoldenEmloymentAgreementMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GoldenEmloymentAgreementMember" xlink:to="king_GoldenEmloymentAgreementMember_lbl_5a51d4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GoldenEmloymentAgreementMember_lbl_5a51d4" xml:lang="en-US">Golden Emloyment Agreement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_MeryGoldenChiefOperatingOfficerMember" xlink:label="king_MeryGoldenChiefOperatingOfficerMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_MeryGoldenChiefOperatingOfficerMember" xlink:to="king_MeryGoldenChiefOperatingOfficerMember_lbl_ca15e7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_MeryGoldenChiefOperatingOfficerMember_lbl_ca15e7" xml:lang="en-US">Mery Golden Chief Operating Officer [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl_0eeb5c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="srt_MaximumMember_lbl_0eeb5c" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_JanuaryTwoThousandTwentyThreeMember" xlink:label="king_JanuaryTwoThousandTwentyThreeMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_JanuaryTwoThousandTwentyThreeMember" xlink:to="king_JanuaryTwoThousandTwentyThreeMember_lbl_ca548b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_JanuaryTwoThousandTwentyThreeMember_lbl_ca548b" xml:lang="en-US">January 2023 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_RentExpenses" xlink:label="king_RentExpenses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RentExpenses" xlink:to="king_RentExpenses_lbl_ef6fc9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RentExpenses_lbl_ef6fc9" xml:lang="en-US">Rent expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_LeaseCosts" xlink:label="king_LeaseCosts" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LeaseCosts" xlink:to="king_LeaseCosts_lbl_8ce7a4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LeaseCosts_lbl_8ce7a4" xml:lang="en-US">Lease costs</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:to="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl_11176b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl_11176b" xml:lang="en-US">Restricted stock issued</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl_07a01b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl_07a01b" xml:lang="en-US">Stock-based compensation</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:to="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl_841167" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl_841167" xml:lang="en-US">Restricted stock value</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SalariesWagesAndOfficersCompensation" xlink:label="us-gaap_SalariesWagesAndOfficersCompensation" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalariesWagesAndOfficersCompensation" xlink:to="us-gaap_SalariesWagesAndOfficersCompensation_lbl_68b361" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalariesWagesAndOfficersCompensation_lbl_68b361" xml:lang="en-US">Annual base salary</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PercentOfAveragePerAnnum" xlink:label="king_PercentOfAveragePerAnnum" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PercentOfAveragePerAnnum" xlink:to="king_PercentOfAveragePerAnnum_lbl_397043" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PercentOfAveragePerAnnum_lbl_397043" xml:lang="en-US">Percent of average per annum</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1" xlink:label="us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1" xlink:to="us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1_lbl_a3fe4d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1_lbl_a3fe4d" xml:lang="en-US">Option purchase</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20230331.xsd#king_PercentOfAnnualBonus" xlink:label="king_PercentOfAnnualBonus" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PercentOfAnnualBonus" xlink:to="king_PercentOfAnnualBonus_lbl_78acb5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PercentOfAnnualBonus_lbl_78acb5" xml:lang="en-US">Percent of annual bonus</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="us-gaap_DefinedContributionPlanCostRecognized" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanCostRecognized" xlink:to="us-gaap_DefinedContributionPlanCostRecognized_lbl_a8aee8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedContributionPlanCostRecognized_lbl_a8aee8" xml:lang="en-US">Contribution expense</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredCompensationLiabilityCurrent" xlink:label="us-gaap_DeferredCompensationLiabilityCurrent" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationLiabilityCurrent" xlink:to="us-gaap_DeferredCompensationLiabilityCurrent_lbl_2c9a02" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredCompensationLiabilityCurrent_lbl_2c9a02" xml:lang="en-US">Deferred compensation liability</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeAxis_lbl_6db919" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl_6db919" xml:lang="en-US">Subsequent Event Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember_lbl_22a8ae" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventMember_lbl_22a8ae" xml:lang="en-US">Subsequent Event [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl_ffc8dd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl_ffc8dd" xml:lang="en-US">Common stock shares authorized</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="king_CedingCommissionRevenue" xlink:to="king_CedingCommissionRevenue_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_CedingCommissionRevenue_d">Custom Element</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="king_LossAndLossAdjustmentExpenses" xlink:to="king_LossAndLossAdjustmentExpenses_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_LossAndLossAdjustmentExpenses_d">Custom Element.</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="king_Dividend" xlink:to="king_Dividend_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_Dividend_d">The per share amount of a dividend declared, but not paid, as of the financial reporting date.</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="king_ScheduleOfAvailableForSaleFixedMaturitySecuritiesContractualMaturityTableTextBlock" xlink:to="king_ScheduleOfAvailableForSaleFixedMaturitySecuritiesContractualMaturityTableTextBlock_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_ScheduleOfAvailableForSaleFixedMaturitySecuritiesContractualMaturityTableTextBlock_d">Schedule of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cos</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="king_ScheduleOfHeldToMaturitySecurities" xlink:to="king_ScheduleOfHeldToMaturitySecurities_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_ScheduleOfHeldToMaturitySecurities_d">Custom Element.</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="king_ScheduleOfHeldToMaturitySecuritiesByContractualMaturity" xlink:to="king_ScheduleOfHeldToMaturitySecuritiesByContractualMaturity_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_ScheduleOfHeldToMaturitySecuritiesByContractualMaturity_d">Custom Element.</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="king_ScheduleOfInvestmentIncome" xlink:to="king_ScheduleOfInvestmentIncome_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_ScheduleOfInvestmentIncome_d">Custom Element.</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="king_ScheduleOfSecuritiesWithRealizedGainsAndLossesOnInvestmentsTableTextBlock" xlink:to="king_ScheduleOfSecuritiesWithRealizedGainsAndLossesOnInvestmentsTableTextBlock_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_ScheduleOfSecuritiesWithRealizedGainsAndLossesOnInvestmentsTableTextBlock_d">Custom Element.</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="king_ScheduleOfEarnedPremiumsTextBlock" xlink:to="king_ScheduleOfEarnedPremiumsTextBlock_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_ScheduleOfEarnedPremiumsTextBlock_d">Custom Element.</link:label>
  </link:labelLink>
</link:linkbase>
