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<!--Date of creation: 11/14/2022-->
<!--Software architectural design and coding: A'c Dharmapremananda Avt.-->
<!--Copyright (c) 2022 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_9dbd9d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount_lbl_9dbd9d" xml:lang="en-US">Equity securities, at fair value (cost of $26,776,016 at September 30, 2022 and $37,470,669 at December 31, 2021)</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_a5d8ab" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherInvestments_lbl_a5d8ab" 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_7cac00" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Investments_lbl_7cac00" 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_dbfc1e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl_dbfc1e" 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_ffd218" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PremiumsReceivableAtCarryingValue_lbl_ffd218" 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_964935" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReinsuranceRecoverables_lbl_964935" 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_1a8c25" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl_1a8c25" 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_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl_da6c3e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl_da6c3e" 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_72c59d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl_72c59d" 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_b4af4d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet_lbl_b4af4d" 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_f1506b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssets_lbl_f1506b" 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_5e669f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl_5e669f" 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_1edb2f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAbstract_lbl_1edb2f" 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_a1a1d3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense_lbl_a1a1d3" 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_a82c94" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnearnedPremiums_lbl_a82c94" xml:lang="en-US">Unearned premiums</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_60f823" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AdvancePremiums_lbl_60f823" 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_c28eac" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReinsurancePayable_lbl_c28eac" 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_63bda9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredRevenue_lbl_63bda9" 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_45148a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_lbl_45148a" 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_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_e17065" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtCurrent_lbl_e17065" 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_f77250" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl_f77250" 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="king-20220930.xsd#king_CommitmentAndContingenciesAbstract" xlink:label="king_CommitmentAndContingenciesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CommitmentAndContingenciesAbstract" xlink:to="king_CommitmentAndContingenciesAbstract_lbl_450adf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CommitmentAndContingenciesAbstract_lbl_450adf" 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_8678da" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl_8678da" 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_393a74" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockValue_lbl_393a74" xml:lang="en-US">Preferred stock, $.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_c42d33" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl_c42d33" xml:lang="en-US">Common stock, $.01 par value; authorized 20,000,000 shares; issued 12,117,081 shares at September 30, 2022 and 11,955,660 shares at December 31, 2021; outstanding 10,645,675 shares at September 30, 2022 and 10,484,254 shares at December 31, 2021</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_CapitalInExcessOfPar" xlink:label="king_CapitalInExcessOfPar" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CapitalInExcessOfPar" xlink:to="king_CapitalInExcessOfPar_lbl_e22d53" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CapitalInExcessOfPar_lbl_e22d53" xml:lang="en-US">Capital in excess of par</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_4f739d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl_4f739d" xml:lang="en-US">Accumulated other comprehensive (loss) income</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_1ee04f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl_1ee04f" xml:lang="en-US">(Accumulated deficit) retained earnings</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_f7854d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityBeforeTreasuryStock_lbl_f7854d" xml:lang="en-US">Total1</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TreasuryStockAtCost1471406SharesAtSeptember302022AndDecember312021" xlink:to="king_TreasuryStockAtCost1471406SharesAtSeptember302022AndDecember312021_lbl_9456f0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="king_TreasuryStockAtCost1471406SharesAtSeptember302022AndDecember312021_lbl_9456f0" xml:lang="en-US">Treasury stock, at cost, 1,471,406 shares at September 30, 2022 and December 31, 2021</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_TreasuryStockAtCost1471406SharesAtSeptember302022AndDecember312021" xlink:label="king_TreasuryStockAtCost1471406SharesAtSeptember302022AndDecember312021" />
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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_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_8fa496" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl_8fa496" xml:lang="en-US">Fixed-maturity Securities, Available-for-sale, Amortized Cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_EquitySecuritiesAvailableForSaleCost" xlink:label="king_EquitySecuritiesAvailableForSaleCost" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EquitySecuritiesAvailableForSaleCost" xlink:to="king_EquitySecuritiesAvailableForSaleCost_lbl_f60566" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EquitySecuritiesAvailableForSaleCost_lbl_f60566" xml:lang="en-US">Equity Securities, Available-for-sale, Cost</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_99e68b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockholdersEquityAbstract_lbl_99e68b" xml:lang="en-US">Stockholders' Equity</link:label>
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl_a89880" 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_b467eb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl_b467eb" 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_f4a729" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl_f4a729" 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_a55735" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl_a55735" 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_d91d52" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl_d91d52" 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_f5f9fd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl_f5f9fd" 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_TreasuryStockShares" xlink:label="us-gaap_TreasuryStockShares" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockShares" xlink:to="us-gaap_TreasuryStockShares_lbl_30f985" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockShares_lbl_30f985" 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_3de063" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl_3de063" xml:lang="en-US">Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income (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_122014" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenuesAbstract_lbl_122014" 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" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PremiumsEarnedNet" xlink:to="us-gaap_PremiumsEarnedNet_lbl_bd7147" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PremiumsEarnedNet_lbl_bd7147" xml:lang="en-US">Net premiums earned</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_ea0584" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CedingCommissionRevenue_lbl_ea0584" xml:lang="en-US">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_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_875114" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetInvestmentIncome_lbl_875114" 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_a5a9a1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl_a5a9a1" 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_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_f4b051" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherIncome_lbl_f4b051" 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_bd9e03" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Revenues_lbl_bd9e03" 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_OtherNonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl_0f3b3d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl_0f3b3d" xml:lang="en-US">Expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_d4d500" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LossAndLossAdjustmentExpenses_lbl_d4d500" xml:lang="en-US">Loss and loss adjustment expenses</link:label>
    <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_a4ea61" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoninterestExpenseCommissionExpense_lbl_a4ea61" 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" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherUnderwritingExpense" xlink:to="us-gaap_OtherUnderwritingExpense_lbl_7310e4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherUnderwritingExpense_lbl_7310e4" 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" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherCostAndExpenseOperating" xlink:to="us-gaap_OtherCostAndExpenseOperating_lbl_9e7213" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl_9e7213" 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_0970ea" 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_InterestExpense" xlink:label="us-gaap_InterestExpense" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_lbl_ad01f1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpense_lbl_ad01f1" 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_18ff82" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingExpenses_lbl_18ff82" 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" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl_16" xlink:type="arc" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl_c0b352" xml:lang="en-US">Loss from operations before taxes</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl_17" xml:lang="en-US">[Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncomeTaxBenefit" xlink:to="king_IncomeTaxBenefit_lbl_b11be7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="king_IncomeTaxBenefit_lbl_b11be7" xml:lang="en-US">Income tax benefit</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_IncomeTaxBenefit" xlink:label="king_IncomeTaxBenefit" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncomeTaxBenefit" xlink:to="king_IncomeTaxBenefit_lbl_18" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncomeTaxBenefit_lbl_18" xml:lang="en-US">[Income tax benefit]</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_f5eb0e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl_f5eb0e" 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_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" />
    <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_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_lbl_b6a54a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_lbl_b6a54a" xml:lang="en-US">Gross change in unrealized losses on available-for-sale-securities</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax_lbl_406e8b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax_lbl_406e8b" xml:lang="en-US">Reclassification adjustment for losses (gains) included in net loss</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_298c92" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl_298c92" xml:lang="en-US">Net change in unrealized losses</link:label>
    <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_22" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl_22" xml:lang="en-US">[Unrealized Gain (Loss) 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_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl_82b372" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl_82b372" xml:lang="en-US">Income tax benefit related to items of 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_OtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl_a430d2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl_a430d2" xml:lang="en-US">Other comprehensive loss, net of tax</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax_lbl_cfbbc0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl_cfbbc0" 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_25" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl_25" xml:lang="en-US">[Comprehensive Income (Loss), Net of Tax, 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_EarningsPerShareBasicAndDilutedAbstract" xlink:label="us-gaap_EarningsPerShareBasicAndDilutedAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:to="us-gaap_EarningsPerShareBasicAndDilutedAbstract_lbl_961125" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasicAndDilutedAbstract_lbl_961125" 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_01fcf9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasic_lbl_01fcf9" 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_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted_lbl_98de38" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareDiluted_lbl_98de38" 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_5f9727" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl_5f9727" 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_WeightedAverageNumberOfSharesIssuedBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesIssuedBasic_lbl_f0cc52" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesIssuedBasic_lbl_f0cc52" 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_WeightedAverageNumberOfSharesIssuedBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesIssuedBasic" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesIssuedBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesIssuedBasic_lbl_30" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesIssuedBasic_lbl_30" xml:lang="en-US">[Weighted Average Number of Shares Issued, Basic]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProFormaWeightedAverageSharesOutstandingDiluted" xlink:to="us-gaap_ProFormaWeightedAverageSharesOutstandingDiluted_lbl_e8f226" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProFormaWeightedAverageSharesOutstandingDiluted_lbl_e8f226" 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_ProFormaWeightedAverageSharesOutstandingDiluted" xlink:label="us-gaap_ProFormaWeightedAverageSharesOutstandingDiluted" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProFormaWeightedAverageSharesOutstandingDiluted" xlink:to="us-gaap_ProFormaWeightedAverageSharesOutstandingDiluted_lbl_31" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProFormaWeightedAverageSharesOutstandingDiluted_lbl_31" xml:lang="en-US">[Pro Forma Weighted Average Shares Outstanding, Diluted]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl_1edb7d" xml:lang="en-US">Dividends declared and paid 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_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl_9f117b" xml:lang="en-US">Condensed Consolidated Statements of Stockholders' Equity (Unaudited)</link:label>
    <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:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl_13f4ab" xml:lang="en-US">Statement [Table]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl_356303" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl_356303" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl_5f5e67" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl_5f5e67" xml:lang="en-US">Equity Components [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_CapitalInExcessOfParMember" xlink:label="king_CapitalInExcessOfParMember" />
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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_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
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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_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsMember_lbl_81e1a5" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</link:label>
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockMember_lbl_7f729c" xml:lang="en-US">Preferred Stock</link:label>
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl_eb3ca5" xml:lang="en-US">Common Stock</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl_533156" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharesIssued_lbl_533156" 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_9d8ce1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquity_lbl_9d8ce1" 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_StockGrantedDuringPeriodValueSharebasedCompensation" xlink:label="us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation" xlink:to="us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_lbl_2ea564" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation_lbl_2ea564" xml:lang="en-US">Stock-based compensation</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_231ec7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_VestingOfRestrictedStockAwardsShares_lbl_231ec7" xml:lang="en-US">Vesting of restricted stock awards, shares</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_fae7f1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_VestingOfRestrictedStockAwardsAmount_lbl_fae7f1" xml:lang="en-US">Vesting of restricted stock awards, amount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_693e12" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesShares_lbl_693e12" xml:lang="en-US">Shares deducted from restricted stock awards for payment of withholding taxes, shares</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_76fcf4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxesAmount_lbl_76fcf4" xml:lang="en-US">Shares deducted from restricted stock awards for payment of withholding taxes, amount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_AcquisitionOfTreasuryStockShares" xlink:label="king_AcquisitionOfTreasuryStockShares" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AcquisitionOfTreasuryStockShares" xlink:to="king_AcquisitionOfTreasuryStockShares_lbl_dd404b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AcquisitionOfTreasuryStockShares_lbl_dd404b" xml:lang="en-US">Acquisition of treasury stock, shares</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_AcquisitionOfTreasuryStockAmount" xlink:label="king_AcquisitionOfTreasuryStockAmount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AcquisitionOfTreasuryStockAmount" xlink:to="king_AcquisitionOfTreasuryStockAmount_lbl_c416a4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AcquisitionOfTreasuryStockAmount_lbl_c416a4" xml:lang="en-US">Acquisition of treasury stock, amount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_a6d318" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_Dividend_lbl_a6d318" 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_31fe62" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl_31fe62" xml:lang="en-US">Net loss</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_8904ec" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ChangeInUnrealizedLossesOnAvailableForSaleSecuritiesNetOfTax_lbl_8904ec" xml:lang="en-US">Change in unrealized losses on available-for-sale securities, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_ChangeInUnrealizedLossesOnAvailable" xlink:label="king_ChangeInUnrealizedLossesOnAvailable" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ChangeInUnrealizedLossesOnAvailable" xlink:to="king_ChangeInUnrealizedLossesOnAvailable_lbl_dccc05" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ChangeInUnrealizedLossesOnAvailable_lbl_dccc05" xml:lang="en-US">Change in unrealized losses on available-</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_VestingOfRestrictedStockAwards" xlink:label="king_VestingOfRestrictedStockAwards" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_VestingOfRestrictedStockAwards" xlink:to="king_VestingOfRestrictedStockAwards_lbl_0519fb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_VestingOfRestrictedStockAwards_lbl_0519fb" xml:lang="en-US">Vesting of restricted stock awards</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxes" xlink:label="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxes" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxes" xlink:to="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxes_lbl_522034" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SharesDeductedFromRestrictedStockAwardsForPaymentOfWithholdingTaxes_lbl_522034" xml:lang="en-US">Shares deducted from restricted stock awards for payment of withholding taxes</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_ffe1d5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharesIssued_lbl_ffe1d5" 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_c38949" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquity_lbl_c38949" 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_879203" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl_879203" 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_e7ebb1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl_e7ebb1" 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_712106" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProfitLoss_lbl_712106" 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="king-20220930.xsd#king_AdjustmentsToReconcileNetLossToNetCashFlowsAbstract" xlink:label="king_AdjustmentsToReconcileNetLossToNetCashFlowsAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AdjustmentsToReconcileNetLossToNetCashFlowsAbstract" xlink:to="king_AdjustmentsToReconcileNetLossToNetCashFlowsAbstract_lbl_7200e9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AdjustmentsToReconcileNetLossToNetCashFlowsAbstract_lbl_7200e9" xml:lang="en-US">Adjustments to reconcile net loss to net 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_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_93933b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl_93933b" xml:lang="en-US">(used in) provided by operating activities:</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_NetGainsOnInvestmentsAdjustement" xlink:label="king_NetGainsOnInvestmentsAdjustement" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetGainsOnInvestmentsAdjustement" xlink:to="king_NetGainsOnInvestmentsAdjustement_lbl_9bf924" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetGainsOnInvestmentsAdjustement_lbl_9bf924" xml:lang="en-US">Net gains on investments</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_NetUnrealizedLossesGainsOnEquityInvestments" xlink:label="king_NetUnrealizedLossesGainsOnEquityInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetUnrealizedLossesGainsOnEquityInvestments" xlink:to="king_NetUnrealizedLossesGainsOnEquityInvestments_lbl_aec077" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetUnrealizedLossesGainsOnEquityInvestments_lbl_aec077" xml:lang="en-US">Net unrealized losses (gains) on equity investments</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_NetUnrealizedLossesGainsOnOtherInvestments" xlink:label="king_NetUnrealizedLossesGainsOnOtherInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetUnrealizedLossesGainsOnOtherInvestments" xlink:to="king_NetUnrealizedLossesGainsOnOtherInvestments_lbl_76fb23" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetUnrealizedLossesGainsOnOtherInvestments_lbl_76fb23" xml:lang="en-US">Net unrealized losses (gains) on 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_886f3b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DepreciationAndAmortization_lbl_886f3b" 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_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts" xlink:to="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts_lbl_ee4334" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts_lbl_ee4334" 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_639718" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl_639718" 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_02e0b0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfFinancingCostsAndDiscounts_lbl_02e0b0" 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_767e84" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl_767e84" 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_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_13" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensation_lbl_13" xml:lang="en-US">[Share-Based Payment Arrangement, Noncash Expense]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_DeferredIncomeTaxBenefitExpense" xlink:label="king_DeferredIncomeTaxBenefitExpense" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DeferredIncomeTaxBenefitExpense" xlink:to="king_DeferredIncomeTaxBenefitExpense_lbl_27b97a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DeferredIncomeTaxBenefitExpense_lbl_27b97a" 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_a0b1b3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_lbl_a0b1b3" 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_305e50" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInPremiumsReceivable_lbl_305e50" 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_16" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPremiumsReceivable_lbl_16" 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_157bed" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInReinsuranceRecoverable_lbl_157bed" 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_17" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInReinsuranceRecoverable_lbl_17" 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_746f7b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl_746f7b" 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_18" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl_18" 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_39c042" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl_39c042" 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_19" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl_19" 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_70ab85" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract_lbl_70ab85" 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_6c44f2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves_lbl_6c44f2" 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_21" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInFuturePolicyBenefitReserves_lbl_21" 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_4af142" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl_4af142" 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_22" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl_22" 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_0460f9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_IncreseDecreseInAdvancePremiums_lbl_0460f9" xml:lang="en-US">Advance premiums</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_23" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncreseDecreseInAdvancePremiums_lbl_23" 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_ed2696" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInReinsurancePayables_lbl_ed2696" 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_24" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInReinsurancePayables_lbl_24" 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_d1ed34" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl_d1ed34" 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_25" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl_25" 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_af75c3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl_af75c3" 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_26" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl_26" 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_4b65be" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_4b65be" xml:lang="en-US">Net cash flows (used in) provided by 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_27" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_27" 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_9a6a97" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl_9a6a97" 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="us-gaap_PaymentsToAcquireHeldToMaturitySecurities" xlink:to="us-gaap_PaymentsToAcquireHeldToMaturitySecurities_lbl_494fb0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireHeldToMaturitySecurities_lbl_494fb0" xml:lang="en-US">Purchase - 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_PaymentsToAcquireHeldToMaturitySecurities" xlink:label="us-gaap_PaymentsToAcquireHeldToMaturitySecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireHeldToMaturitySecurities" xlink:to="us-gaap_PaymentsToAcquireHeldToMaturitySecurities_lbl_29" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireHeldToMaturitySecurities_lbl_29" xml:lang="en-US">[Payments to Acquire Held-to-Maturity Securities]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity" xlink:to="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_lbl_b07403" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_lbl_b07403" xml:lang="en-US">Purchase - 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_PaymentsToAcquireAvailableForSaleSecuritiesEquity" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity" xlink:to="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_lbl_30" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_lbl_30" xml:lang="en-US">[Payments to Acquire Available-for-Sale Securities, Equity]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_PurchaseEquitySecurities" xlink:label="king_PurchaseEquitySecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PurchaseEquitySecurities" xlink:to="king_PurchaseEquitySecurities_lbl_7508bf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PurchaseEquitySecurities_lbl_7508bf" xml:lang="en-US">Purchase - equity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_PurchaseOtherInvestments" xlink:label="king_PurchaseOtherInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_PurchaseOtherInvestments" xlink:to="king_PurchaseOtherInvestments_lbl_61b6fc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PurchaseOtherInvestments_lbl_61b6fc" xml:lang="en-US">Purchase - other investments</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_SaleAndRedemptionFixedMaturitySecuritiesHeldToMaturity" xlink:label="king_SaleAndRedemptionFixedMaturitySecuritiesHeldToMaturity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SaleAndRedemptionFixedMaturitySecuritiesHeldToMaturity" xlink:to="king_SaleAndRedemptionFixedMaturitySecuritiesHeldToMaturity_lbl_121927" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SaleAndRedemptionFixedMaturitySecuritiesHeldToMaturity_lbl_121927" 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_7b49e1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_lbl_7b49e1" xml:lang="en-US">Sale and maturity - fixed-maturity securities available-for-sale</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_SaleEquitySecurities" xlink:label="king_SaleEquitySecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SaleEquitySecurities" xlink:to="king_SaleEquitySecurities_lbl_641fe8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SaleEquitySecurities_lbl_641fe8" xml:lang="en-US">Sale - equity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_SaleRealEstatePartnership" xlink:label="king_SaleRealEstatePartnership" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SaleRealEstatePartnership" xlink:to="king_SaleRealEstatePartnership_lbl_e7caf3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SaleRealEstatePartnership_lbl_e7caf3" xml:lang="en-US">Sale - real estate partnership</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_RedemptionOtherInvestments" xlink:label="king_RedemptionOtherInvestments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RedemptionOtherInvestments" xlink:to="king_RedemptionOtherInvestments_lbl_110399" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RedemptionOtherInvestments_lbl_110399" xml:lang="en-US">Redemption - other investments</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_a93462" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_a93462" 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_38" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_38" 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_c122c6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_c122c6" 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_39" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_39" 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_2c6444" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl_2c6444" xml:lang="en-US">Cash flows from financing activities:</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_aa7462" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WithholdingTaxesPaidOnVestedRetrictedStockAwards_lbl_aa7462" 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_PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl_0966a8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl_0966a8" xml:lang="en-US">Purchase of treasury stock</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl_42" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl_42" xml:lang="en-US">[Payments for Repurchase of Common Stock]</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_71d2d4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDividends_lbl_71d2d4" 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_43" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDividends_lbl_43" 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_fa24dc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl_fa24dc" 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_44" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl_44" 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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_5be6c9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_5be6c9" xml:lang="en-US">(Decrease) increase 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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_45" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_45" xml:lang="en-US">[Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including 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_543041" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_543041" 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_46" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_46" 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_0ffaee" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl_0ffaee" 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_5d7845" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl_5d7845" 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_36d3ff" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl_36d3ff" 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_07e111" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl_07e111" xml:lang="en-US">Cash paid for interest</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_8be53c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NatureOfBusinessAndBasisOfPresentationAbstract_lbl_8be53c" 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_7b71f7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl_7b71f7" 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_ff5161" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl_ff5161" xml:lang="en-US">Accounting Policies</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl_0c02a7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl_0c02a7" 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_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl_2" xml:lang="en-US">Basis of Presentation and 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_3946bd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsAbstract_lbl_3946bd" xml:lang="en-US">Investments</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeTextBlock" xlink:to="us-gaap_InvestmentIncomeTextBlock_lbl_1bf374" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InvestmentIncomeTextBlock_lbl_1bf374" 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_InvestmentIncomeTextBlock" xlink:label="us-gaap_InvestmentIncomeTextBlock" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeTextBlock" xlink:to="us-gaap_InvestmentIncomeTextBlock_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentIncomeTextBlock_lbl_2" xml:lang="en-US">Investment Income [Table 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_FairValueInputsQuantitativeInformationAbstract" xlink:label="us-gaap_FairValueInputsQuantitativeInformationAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsQuantitativeInformationAbstract" xlink:to="us-gaap_FairValueInputsQuantitativeInformationAbstract_lbl_fb33dc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsQuantitativeInformationAbstract_lbl_fb33dc" 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_efaad5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl_efaad5" 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_ExtraordinaryAndUnusualItemsAbstract" xlink:label="us-gaap_ExtraordinaryAndUnusualItemsAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtraordinaryAndUnusualItemsAbstract" xlink:to="us-gaap_ExtraordinaryAndUnusualItemsAbstract_lbl_f61a3b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExtraordinaryAndUnusualItemsAbstract_lbl_f61a3b" xml:lang="en-US">Fair Value of Financial Instruments and Real Estate</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl_84d3de" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl_84d3de" xml:lang="en-US">Fair Value of Financial Instruments and Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl_2" xml:lang="en-US">Fair Value of Financial Instruments, Policy [Policy 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_InsuranceAbstract" xlink:label="us-gaap_InsuranceAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuranceAbstract" xlink:to="us-gaap_InsuranceAbstract_lbl_9dd5e7" xlink:type="arc" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedMaturitySecuritiesCorporateAndOtherBondsIndustrialAndMiscellaneousMember_lbl_0ec500" 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-20220930.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_d476cf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedMaturitySecuritiesMortgageBackedSecuritiesMember_lbl_d476cf" 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-20220930.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_8d0f63" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedMaturitySecuritiesTotalFixedMaturitySecuritiesMember_lbl_8d0f63" xml:lang="en-US">Fixed Maturity Securities Total Fixed Maturity Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_FixedMaturitySecuritiesUSTreasurysecuritiesandobligationsofUSgovernmentcorporationsandagenciesMember" xlink:label="king_FixedMaturitySecuritiesUSTreasurysecuritiesandobligationsofUSgovernmentcorporationsandagenciesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FixedMaturitySecuritiesUSTreasurysecuritiesandobligationsofUSgovernmentcorporationsandagenciesMember" xlink:to="king_FixedMaturitySecuritiesUSTreasurysecuritiesandobligationsofUSgovernmentcorporationsandagenciesMember_lbl_7b5020" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedMaturitySecuritiesUSTreasurysecuritiesandobligationsofUSgovernmentcorporationsandagenciesMember_lbl_7b5020" xml:lang="en-US">Fixed-Maturity Securities U.S. Treasury securities and obligations of U.S. government corporations and agencies [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:to="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl_b796c2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl_b796c2" xml:lang="en-US">Cost or amortized cost</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:to="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl_2" xml:lang="en-US">[Available-for-Sale Securities, Amortized Cost Basis]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains_lbl_dd6633" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains_lbl_dd6633" xml:lang="en-US">Gross unrealized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_400e9e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPositionLessThan12MonthsLosses_lbl_400e9e" xml:lang="en-US">Gross unrealized losses - less than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_6da799" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesContinuousGrossUnrealizedLossPosition12MonthsOrLongerLosses_lbl_6da799" 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_7c8930" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="king_AvailableForSaleSecuritiesFairValueDisclosure1_lbl_7c8930" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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-20220930.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_03e605" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetUnrealizedGainsLosses_lbl_03e605" 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_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_6c981b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PlanNameAxis_lbl_6c981b" xml:lang="en-US">Plan Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_901830" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LessThanOneYearMember_lbl_901830" xml:lang="en-US">Less Than One Year [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_2ac541" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_OneToFiveYearsMember_lbl_2ac541" xml:lang="en-US">One To Five Years [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_9eaad4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FiveToTenYearsMember_lbl_9eaad4" xml:lang="en-US">Five To Ten Years [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_ea061f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_MoreThan10YearsMember_lbl_ea061f" xml:lang="en-US">More Than 10 Years [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_af9b80" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ResidentialMortgageAndOtherAssetBackedSecuritiesMember_lbl_af9b80" xml:lang="en-US">Residential Mortgage And Other Asset Backed Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_TotalMember" xlink:label="king_TotalMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalMember" xlink:to="king_TotalMember_lbl_89b3be" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalMember_lbl_89b3be" xml:lang="en-US">Total [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_acd934" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AmortizedCost_lbl_acd934" 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_97f710" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_FairValue_lbl_97f710" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_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_862172" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_lbl_862172" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Category [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgeFundsMember" xlink:label="us-gaap_HedgeFundsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgeFundsMember" xlink:to="us-gaap_HedgeFundsMember_lbl_75e656" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_HedgeFundsMember_lbl_75e656" xml:lang="en-US">Hedge Funds [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_EquitySecuritiesPreferredStocksMember" xlink:label="king_EquitySecuritiesPreferredStocksMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EquitySecuritiesPreferredStocksMember" xlink:to="king_EquitySecuritiesPreferredStocksMember_lbl_0b8ab0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EquitySecuritiesPreferredStocksMember_lbl_0b8ab0" xml:lang="en-US">Equity Securities- Preferred Stocks [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_91b6a7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CommonStockMutualFundAndExchangeTradeFundEquitySecuritiesMember_lbl_91b6a7" xml:lang="en-US">Common stock, mutual fund and exchange traded funds [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_e62ba0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_OtherInvestmentsAtCost_lbl_e62ba0" xml:lang="en-US">Cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_GrossGain" xlink:label="king_GrossGain" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossGain" xlink:to="king_GrossGain_lbl_0a4491" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossGain_lbl_0a4491" xml:lang="en-US">Gross gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_618562" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossLosses_lbl_618562" xml:lang="en-US">Gross losses</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EstimatedFairValue" xlink:to="king_EstimatedFairValue_lbl_71f0c8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_EstimatedFairValue_lbl_71f0c8" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_EstimatedFairValue" xlink:label="king_EstimatedFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EstimatedFairValue" xlink:to="king_EstimatedFairValue_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EstimatedFairValue_lbl_5" 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_GrossGains" xlink:to="king_GrossGains_lbl_c954a6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_GrossGains_lbl_c954a6" xml:lang="en-US">Gross gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossGains_lbl_6" xml:lang="en-US">[Gross gains]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_6eb49b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_HeldToMaturitySecuritiesUSTreasurySecuritiesMember_lbl_6eb49b" xml:lang="en-US">Held-to-Maturity Securities US Treasury Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_ExchangeTradeDebtMember" xlink:label="king_ExchangeTradeDebtMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ExchangeTradeDebtMember" xlink:to="king_ExchangeTradeDebtMember_lbl_e8d417" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ExchangeTradeDebtMember_lbl_e8d417" xml:lang="en-US">Exchange Trade Debt [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CostOrAmortizedCost" xlink:to="king_CostOrAmortizedCost_lbl_becaf1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_CostOrAmortizedCost_lbl_becaf1" xml:lang="en-US">Cost or amortized cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CostOrAmortizedCost_lbl_2" 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_GrossUnrealizedGains" xlink:to="king_GrossUnrealizedGains_lbl_13d547" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_GrossUnrealizedGains_lbl_13d547" xml:lang="en-US">Gross unrealized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossUnrealizedGains_lbl_3" xml:lang="en-US">[Gross unrealized gains]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossUnrealizedLossesLessThan12Months" xlink:to="king_GrossUnrealizedLossesLessThan12Months_lbl_3631aa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_GrossUnrealizedLossesLessThan12Months_lbl_3631aa" xml:lang="en-US">Gross unrealized losses - less than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossUnrealizedLossesLessThan12Months_lbl_4" 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_GrossUnrealizedLossMoreThan12Months" xlink:to="king_GrossUnrealizedLossMoreThan12Months_lbl_a159c5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_GrossUnrealizedLossMoreThan12Months_lbl_a159c5" xml:lang="en-US">Gross unrealized loss - more than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossUnrealizedLossMoreThan12Months_lbl_5" 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_FairValue1" xlink:to="king_FairValue1_lbl_b4a659" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_FairValue1_lbl_b4a659" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FairValue1_lbl_6" xml:lang="en-US">[Estimated fair value 3]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetUnrealizedGainslosses1" xlink:to="king_NetUnrealizedGainslosses1_lbl_0d2038" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_NetUnrealizedGainslosses1_lbl_0d2038" xml:lang="en-US">Net unrealized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetUnrealizedGainslosses1_lbl_7" xml:lang="en-US">[Net unrealized gains]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossUnrealizedLosseslessThan12Months" xlink:to="king_GrossUnrealizedLosseslessThan12Months_lbl_0ff8c0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_GrossUnrealizedLosseslessThan12Months_lbl_0ff8c0" xml:lang="en-US">Gross unrealized losses - less than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossUnrealizedLosseslessThan12Months_lbl_8" xml:lang="en-US">[Gross unrealized losses - less than 12 months 1]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_GrossUnrealizedLossmoreThan12Months" xlink:to="king_GrossUnrealizedLossmoreThan12Months_lbl_3b6557" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_GrossUnrealizedLossmoreThan12Months_lbl_3b6557" xml:lang="en-US">Gross unrealized loss - more than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossUnrealizedLossmoreThan12Months_lbl_9" xml:lang="en-US">[Gross unrealized loss - more than 12 months 1]</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" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InformationByCategoryOfDebtSecurityAxis" xlink:to="us-gaap_InformationByCategoryOfDebtSecurityAxis_lbl_4728da" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InformationByCategoryOfDebtSecurityAxis_lbl_4728da" xml:lang="en-US">Debt Security Category [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HeldtomaturitySecuritiesMember" xlink:label="us-gaap_HeldtomaturitySecuritiesMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldtomaturitySecuritiesMember" xlink:to="us-gaap_HeldtomaturitySecuritiesMember_lbl_e088b6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_HeldtomaturitySecuritiesMember_lbl_e088b6" xml:lang="en-US">Held-to-maturity Securities [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_LessThanOneYearMember" xlink:to="king_LessThanOneYearMember_lbl_7016a0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_LessThanOneYearMember_lbl_7016a0" xml:lang="en-US">Less Than One Year [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_OneToFiveYearsMember" xlink:to="king_OneToFiveYearsMember_lbl_065811" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_OneToFiveYearsMember_lbl_065811" xml:lang="en-US">One To Five Years [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FiveToTenYearsMember" xlink:to="king_FiveToTenYearsMember_lbl_79f000" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_FiveToTenYearsMember_lbl_79f000" xml:lang="en-US">Five To Ten Years [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_MoreThan10YearsMember" xlink:to="king_MoreThan10YearsMember_lbl_10b7a8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_MoreThan10YearsMember_lbl_10b7a8" xml:lang="en-US">More Than 10 Years [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AmortizedCostHeldToMaturitySecurities" xlink:to="king_AmortizedCostHeldToMaturitySecurities_lbl_4fd3e4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_AmortizedCostHeldToMaturitySecurities_lbl_4fd3e4" xml:lang="en-US">Amortized cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_685d8f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_FairValueHeldToMaturitySecurities_lbl_685d8f" xml:lang="en-US">Estimated fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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 4]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_f93221" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedmaturitySecurities_lbl_f93221" xml:lang="en-US">Fixed-maturity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_cd8533" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EquitySecurities1_lbl_cd8533" 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_4d403d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_CashAndCashEquivalents_lbl_4d403d" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_OtherInvestment" xlink:to="king_OtherInvestment_lbl_88dc2b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_OtherInvestment_lbl_88dc2b" xml:lang="en-US">Other investments</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_OtherInvestment" xlink:label="king_OtherInvestment" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_OtherInvestment" xlink:to="king_OtherInvestment_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_OtherInvestment_lbl_5" xml:lang="en-US">[Other investments]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalInvestments" xlink:to="king_TotalInvestments_lbl_706637" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_TotalInvestments_lbl_706637" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalInvestments_lbl_6" 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_cbd84d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl_cbd84d" 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_f3bb7e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InvestmentIncomeNet_lbl_f3bb7e" 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_8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentIncomeNet_lbl_8" xml:lang="en-US">[Investment Income, Net]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_67e915" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RealizedGainsLossesFixedMaturitysecuritiesMember_lbl_67e915" xml:lang="en-US">Realized Gains Losses Fixed-maturity securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_30225c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RealizedGainsLossesEquitysecuritiesMember_lbl_30225c" xml:lang="en-US">Realized Gains Losses Equity securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_a318b1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RealizedGainsLossesOtherInvestmentsMember_lbl_a318b1" xml:lang="en-US">Realized Gains Losses Other Investments [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_7953ff" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_UnrealizedLossesGainsOtherInvestmentsMember_lbl_7953ff" xml:lang="en-US">Unrealized Losses Gains Other Investments [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_714bcf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_UnrealizedLossesGainsEquitysecuritiesMember_lbl_714bcf" xml:lang="en-US">Unrealized Losses Gains Equity securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_e98d4f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesNetRealizedGainsLossesSaleProceeds_lbl_e98d4f" xml:lang="en-US">Net realized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_5ad5bb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingLoss_lbl_5ad5bb" xml:lang="en-US">Net unrealized gains (losses)</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_20963c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetGainsOnInvestments_lbl_20963c" 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_AvailableForSaleSecuritiesGrossRealizedGains" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_lbl_fa8b58" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_lbl_fa8b58" xml:lang="en-US">Gross realized gains</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:label="us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:to="us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_lbl_17b2a8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_lbl_17b2a8" xml:lang="en-US">Gross realized losses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_a17580" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GrossGainsLossesOnOtherInvestments_lbl_a17580" xml:lang="en-US">Total other investments</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_lbl_59ba7f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_lbl_59ba7f" xml:lang="en-US">Gross losses</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_lbl_8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_lbl_8" xml:lang="en-US">[Available-for-Sale Securities, Gross Realized Losses]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_54e1fc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetGainLossOnSaleOfSecurities_lbl_54e1fc" xml:lang="en-US">Total equity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_832e97" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalFixedMaturitySecurities_lbl_832e97" 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_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_c8b4a3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_USTreasuryAndGovernmentMember_lbl_c8b4a3" xml:lang="en-US">US Treasury and Government [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl_0d565a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl_0d565a" xml:lang="en-US">Estimated fair value - less than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl_2" xml:lang="en-US">[Available-for-Sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_c10ce5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLosses_lbl_c10ce5" xml:lang="en-US">Unrealized losses - less than 12 months</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_cf6de5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsLoss_lbl_cf6de5" 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="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl_5d0e25" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl_5d0e25" xml:lang="en-US">Estimated fair value - 12 months or more</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl_5" xml:lang="en-US">[Available-for-Sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_5b034c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLosses_lbl_5b034c" xml:lang="en-US">Unrealized losses - 12 months or more</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_f95a34" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_HeldtomaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerLoss_lbl_f95a34" xml:lang="en-US">Number of positions held - 12 months or more</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOptionLoansHeldAsAssetsAggregateDifference" xlink:to="us-gaap_FairValueOptionLoansHeldAsAssetsAggregateDifference_lbl_4ec01c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_FairValueOptionLoansHeldAsAssetsAggregateDifference_lbl_4ec01c" xml:lang="en-US">Estimated fair value - total</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueOptionLoansHeldAsAssetsAggregateDifference" xlink:label="us-gaap_FairValueOptionLoansHeldAsAssetsAggregateDifference" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOptionLoansHeldAsAssetsAggregateDifference" xlink:to="us-gaap_FairValueOptionLoansHeldAsAssetsAggregateDifference_lbl_8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueOptionLoansHeldAsAssetsAggregateDifference_lbl_8" xml:lang="en-US">[Fair Value, Option, Loans Held as Assets, Aggregate Difference]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_f405c7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLosses_lbl_f405c7" 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_ba7b77" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue_lbl_ba7b77" 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-20220930.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_58d800" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ProceedsFromTheSaleOrMaturityOfFixedMaturitySecuritiesAvailableForSale_lbl_58d800" 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="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:to="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_lbl_6ebae0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_lbl_6ebae0" 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_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:to="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_lbl_4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_lbl_4" xml:lang="en-US">[Proceeds from Sale of Available-for-Sale Securities, Equity]</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_cade40" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl_cade40" xml:lang="en-US">Fair value of the eligible investments</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_3a2806" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl_3a2806" xml:lang="en-US">Fair Value Measurements (Details)</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_636299" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl_636299" xml:lang="en-US">Fair Value Hierarchy and NAV [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_3afe8a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl_3afe8a" 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_516dbf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl_516dbf" 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_502c6b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl_502c6b" xml:lang="en-US">Level 3 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_b3d82b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_USTreasurySecuritiesAndObligationsOfUSGovernmentCorporationsAndAgencies_lbl_b3d82b" 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-20220930.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_c6b376" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PoliticalSubdivisionsOfStatesTerritoriesAndPossessions_lbl_c6b376" xml:lang="en-US">Political subdivisions of states, territories and possessions</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_2fffcf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CorporateAndOtherBondsIndustrialAndMiscellaneous_lbl_2fffcf" xml:lang="en-US">Corporate and other bonds industrial and miscellaneous</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_0c8cc8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ResidentialMortgageAndOtherAssetBackedSecurities_lbl_0c8cc8" xml:lang="en-US">Residential mortgage and other asset backed securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_3b5c47" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedMaturitiesNet_lbl_3b5c47" 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_dc344e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_EquityInvestments_lbl_dc344e" xml:lang="en-US">Equity securities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_69c37c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl_69c37c" 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_779e9e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AlternativeInvestment_lbl_779e9e" 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_8f6850" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SeniorNotes_lbl_8f6850" xml:lang="en-US">Senior Notes due 2022</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_3a6ad7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CarryingValueMember_lbl_3a6ad7" xml:lang="en-US">Carrying Value [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_ccf7b6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FairValueMember_lbl_ccf7b6" xml:lang="en-US">Fair Value [Member]</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_7947c9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ReinsurancePayable_lbl_7947c9" xml:lang="en-US">Reinsurance balances payable</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_93afd7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FixedmaturityInvestmentsHeldToMaturity_lbl_93afd7" 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_554d78" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl_554d78" 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_4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl_4" 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_PremiumsReceivableGross" xlink:to="us-gaap_PremiumsReceivableGross_lbl_9826a5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PremiumsReceivableGross_lbl_9826a5" 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:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReinsuranceReceivablesCaseBasis" xlink:to="us-gaap_ReinsuranceReceivablesCaseBasis_lbl_e39fde" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ReinsuranceReceivablesCaseBasis_lbl_e39fde" 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_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReinsuranceReceivablesCaseBasis_lbl_6" xml:lang="en-US">[Reinsurance Recoverables, Case Basis]</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_be636f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RealEstateAccumulatedDepreciation_lbl_be636f" xml:lang="en-US">Real estate, net of accumulated depreciation</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_517b17" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl_517b17" xml:lang="en-US">Related Party Transaction [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_2cab23" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PremiumsWrittenMember_lbl_2cab23" xml:lang="en-US">Premiums Written</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_ChangesInUnearnedPremiumsMember" xlink:label="king_ChangesInUnearnedPremiumsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ChangesInUnearnedPremiumsMember" xlink:to="king_ChangesInUnearnedPremiumsMember_lbl_ce7176" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ChangesInUnearnedPremiumsMember_lbl_ce7176" xml:lang="en-US">Changes In Unearned Premiums</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_1a2055" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PremiumsEarnedMember_lbl_1a2055" xml:lang="en-US">Premiums Earned</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_a77f83" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DirectPropertyAndCasultyInsuranceActivity_lbl_a77f83" xml:lang="en-US">Direct</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_6b90f5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AssumedPropertyAndCasultyInsuranceActivity_lbl_6b90f5" xml:lang="en-US">Assumed</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_b436a6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CededPropertyAndCasultyInsuranceActivity_lbl_b436a6" xml:lang="en-US">Ceded</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_4037d3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetPropertyAndCasultyInsuranceActivity_lbl_4037d3" xml:lang="en-US">Net</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_6e8c76" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPropertyAndCasualtyInsuranceLiabilities_lbl_6e8c76" xml:lang="en-US">Balance at beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_e61959" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LessReinsuranceRecoverables_lbl_e61959" xml:lang="en-US">Less reinsurance recoverables</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_a85f34" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetBalanceBeginningOfPeriod_lbl_a85f34" xml:lang="en-US">Net balance, beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_89df2b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CurrentYearPropertyAndCasultyInsuranceActivity_lbl_89df2b" xml:lang="en-US">Current year</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_e57cde" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PriorYearsPropertyAndCasultyInsuranceActivity_lbl_e57cde" xml:lang="en-US">Prior years</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_eb39bd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalIncurredPropertyAndCasultyInsuranceActivity_lbl_eb39bd" 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_f39954" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_PaidRelatedToCurrentYear_lbl_f39954" xml:lang="en-US">Current year</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_227803" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_PaidRelatedToPriorYears_lbl_227803" xml:lang="en-US">Prior years</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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-20220930.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_c8aba9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PaidRelatedToTotalPaid_lbl_c8aba9" xml:lang="en-US">Total paid</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_b8c92d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetBalanceAtEndOfPeriod_lbl_b8c92d" xml:lang="en-US">Net balance at end of period</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_62b9cf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AddReinsuranceRecoverables_lbl_62b9cf" xml:lang="en-US">Add reinsurance recoverables</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_935cef" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_BalanceAtEndOfPeriod_lbl_935cef" xml:lang="en-US">Balance at end of period</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_519d2d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandFourteenMember_lbl_519d2d" xml:lang="en-US">2014</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_993686" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandFifteenMember_lbl_993686" xml:lang="en-US">2015</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_b21247" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandSixteenMember_lbl_b21247" xml:lang="en-US">2016</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_91d2b3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandSeventeenMember_lbl_91d2b3" xml:lang="en-US">2017</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_b6e68a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandEighteenMember_lbl_b6e68a" xml:lang="en-US">2018</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_026c8b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandNineteenMember_lbl_026c8b" xml:lang="en-US">2019</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_ae1adc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandTwentyMember_lbl_ae1adc" xml:lang="en-US">2020</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_764cab" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandTwentyOneMember_lbl_764cab" xml:lang="en-US">2021</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_TwoThousandThirteenMember" xlink:label="king_TwoThousandThirteenMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TwoThousandThirteenMember" xlink:to="king_TwoThousandThirteenMember_lbl_8b712c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandThirteenMember_lbl_8b712c" xml:lang="en-US">2013</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_a598b1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TwoThousandTwentyTwoMember_lbl_a598b1" xml:lang="en-US">2022</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_5992b2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncurredClaimsPropertyCasualtyAndLiability_lbl_5992b2" xml:lang="en-US">Total incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_66716d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2014_lbl_66716d" xml:lang="en-US">2014 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_IncurredClaimsPropertyCasualtyAndLiability2013" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2013" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_IncurredClaimsPropertyCasualtyAndLiability2013" xlink:to="king_IncurredClaimsPropertyCasualtyAndLiability2013_lbl_fe10f9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2013_lbl_fe10f9" xml:lang="en-US">2013 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_9bad23" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount_lbl_9bad23" 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_20e8a6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortdurationInsuranceContractsNumberOfReportedClaims_lbl_20e8a6" xml:lang="en-US">Cumulative Number of Reported Claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_5276a8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2015_lbl_5276a8" xml:lang="en-US">2015 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_d56aa6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2016_lbl_d56aa6" xml:lang="en-US">2016 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_05987c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2017_lbl_05987c" xml:lang="en-US">2017 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_ca5ec7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2018_lbl_ca5ec7" xml:lang="en-US">2018 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_018225" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2019_lbl_018225" xml:lang="en-US">2019 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_84ddbe" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2020_lbl_84ddbe" xml:lang="en-US">2020 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_1b077a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2021_lbl_1b077a" xml:lang="en-US">2021 incurred claims</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_27d639" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IncurredClaimsPropertyCasualtyAndLiability2022_lbl_27d639" 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_94888b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented_lbl_94888b" 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-20220930.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_bc615d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AllOutstandingLiabilitiesBefore2013NetOfReinsurance_lbl_bc615d" xml:lang="en-US">All outstanding liabilities before 2013, 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_79e0ce" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl_79e0ce" 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_5e71fa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl_5e71fa" 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:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2013" xlink:to="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2013_lbl_ddd967" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2013_lbl_ddd967" xml:lang="en-US">2013</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2013_lbl_6" 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_246e28" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2014_lbl_246e28" xml:lang="en-US">2014</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_3c6e79" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2015_lbl_3c6e79" xml:lang="en-US">2015</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_8413e7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2016_lbl_8413e7" xml:lang="en-US">2016</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_4e525d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2017_lbl_4e525d" xml:lang="en-US">2017</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_b8f9d7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018_lbl_b8f9d7" xml:lang="en-US">2018</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_cf0506" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2019_lbl_cf0506" xml:lang="en-US">2019</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_0461cb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2020_lbl_0461cb" xml:lang="en-US">2020</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_90658e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2021_lbl_90658e" xml:lang="en-US">2021</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_4c02e1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseFor2022_lbl_4c02e1" xml:lang="en-US">2022</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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-20220930.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_d97a16" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LiabilitiesForAllocatedLossAndLossAdjustmentExpensesNetOfReinsurance_lbl_d97a16" 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_642b45" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl_642b45" 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" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet_lbl_f9e1b6" xml:lang="en-US">Unallocated loss adjustment expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_142332" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalGrossLiabilityForLossAndLossAdjustmentExpenseReserves_lbl_142332" xml:lang="en-US">Total gross liability for loss and LAE reserves</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_StatementBusinessSegmentsAxis_lbl_fe551e" xlink:type="arc" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis_lbl_f46c67" xml:lang="en-US">Catastrophic Event [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_PropertyAndCasualtyPersonalInsuranceProductLinesMember" xlink:label="king_PropertyAndCasualtyPersonalInsuranceProductLinesMember" />
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LossesPerOccurrenceSubjectToQuotaShareReinsuranceCoverage_lbl_2af784" xml:lang="en-US">Losses per occurrence subject to quota share reinsurance coverage</link:label>
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    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ExpirationDate1_lbl_60ac78" xml:lang="en-US">Expiration</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_ExcessOfLossCoverageAboveRiskRetained" xlink:label="king_ExcessOfLossCoverageAboveRiskRetained" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ExcessOfLossCoverageAboveRiskRetained" xlink:to="king_ExcessOfLossCoverageAboveRiskRetained_lbl_a861ca" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ExcessOfLossCoverageAboveRiskRetained_lbl_a861ca" xml:lang="en-US">Excess of loss coverage and facultative facility coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_dfa8e3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_InExcessOf_lbl_dfa8e3" xml:lang="en-US">In excess of</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_TotalReinsuranceCoveragePerOccurrence" xlink:label="king_TotalReinsuranceCoveragePerOccurrence" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_TotalReinsuranceCoveragePerOccurrence" xlink:to="king_TotalReinsuranceCoveragePerOccurrence_lbl_8239bd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalReinsuranceCoveragePerOccurrence_lbl_8239bd" xml:lang="en-US">Total reinsurance coverage per occurrence</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_05db8b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LossesPerOccurrenceSubjectReinsuranceCoverage_lbl_05db8b" xml:lang="en-US">Losses per occurrence subject to reinsurance coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_4d2e6f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_Expiration1_lbl_4d2e6f" xml:lang="en-US">Expiration Date</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_InitialLossSubjectToPersonalLinesQuotaShareTreaty" xlink:label="king_InitialLossSubjectToPersonalLinesQuotaShareTreaty" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_InitialLossSubjectToPersonalLinesQuotaShareTreaty" xlink:to="king_InitialLossSubjectToPersonalLinesQuotaShareTreaty_lbl_fd658a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_InitialLossSubjectToPersonalLinesQuotaShareTreaty_lbl_fd658a" xml:lang="en-US">Initial loss subject to personal lines quota share treaty</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_RiskRetainedPerCatastropheOccurrence" xlink:label="king_RiskRetainedPerCatastropheOccurrence" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RiskRetainedPerCatastropheOccurrence" xlink:to="king_RiskRetainedPerCatastropheOccurrence_lbl_c16cde" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RiskRetainedPerCatastropheOccurrence_lbl_c16cde" xml:lang="en-US">Risk retained per catastrophe occurrence</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_579875" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CatastropheStubCoverage_lbl_579875" 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-20220930.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_3120fa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_InExcessOf1_lbl_3120fa" xml:lang="en-US">in excess of 1</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_95856b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CatastropheLossCoverageInExcessOfQuotaShareCoverageWinterStormCoverage1_lbl_95856b" xml:lang="en-US">Catastrophe loss coverage in excess of quota share coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_f0d799" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ReinstatementPremiumProtection_lbl_f0d799" 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_2cc9bd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl_2cc9bd" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductOrServiceAxis" xlink:label="srt_ProductOrServiceAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis_lbl_640c15" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ProductOrServiceAxis_lbl_640c15" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_ba961e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PersonalUmbrellaMember_lbl_ba961e" xml:lang="en-US">Personal Umbrella</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyAndCasualtyCommercialInsuranceProductLineMember" xlink:label="us-gaap_PropertyAndCasualtyCommercialInsuranceProductLineMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyAndCasualtyCommercialInsuranceProductLineMember" xlink:to="us-gaap_PropertyAndCasualtyCommercialInsuranceProductLineMember_lbl_b0bb10" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyAndCasualtyCommercialInsuranceProductLineMember_lbl_b0bb10" xml:lang="en-US">Commercial Lines [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_e26e4e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PercentCededFirstMillionDollarsOfCoverage_lbl_e26e4e" xml:lang="en-US">Percent ceded - first $1000000 of coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_725170" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PercentCededExcessOfOneMillionOfCoverage_lbl_725170" 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_51db2c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_RiskRetained1_lbl_51db2c" 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_cbf3c7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_TotalReinsuranceCoveragePerOccurrence_lbl_cbf3c7" 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_d1b992" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_LossesPerOccurrenceSubjectToReinsuranceCoverage_lbl_d1b992" xml:lang="en-US">Losses per occurrence subject to quota share reinsurance coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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-20220930.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_865e45" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ExpirationDate_lbl_865e45" xml:lang="en-US">Expiration date</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_QuotaShareTreaty" xlink:label="king_QuotaShareTreaty" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_QuotaShareTreaty" xlink:to="king_QuotaShareTreaty_lbl_99b166" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_QuotaShareTreaty_lbl_99b166" xml:lang="en-US">Quota share treaty</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_RiskRetained2" xlink:label="king_RiskRetained2" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RiskRetained2" xlink:to="king_RiskRetained2_lbl_4038d7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RiskRetained2_lbl_4038d7" xml:lang="en-US">Risks retained</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_ExcessOfLossCoverageAboveRiskRetained" xlink:to="king_ExcessOfLossCoverageAboveRiskRetained_lbl_74e22e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_ExcessOfLossCoverageAboveRiskRetained_lbl_74e22e" xml:lang="en-US">Excess of loss coverage above risk retained</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_InExcessOf" xlink:to="king_InExcessOf_lbl_c5aad5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_InExcessOf_lbl_c5aad5" xml:lang="en-US">in excess of</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_QuotaShareTreaty1" xlink:label="king_QuotaShareTreaty1" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_QuotaShareTreaty1" xlink:to="king_QuotaShareTreaty1_lbl_afe775" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_QuotaShareTreaty1_lbl_afe775" xml:lang="en-US">Quota share treaty1</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_1fc277" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InsuranceCommissions_lbl_1fc277" xml:lang="en-US">Provisional ceding commissions earned</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_4c0859" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ContingentCedingCommissionsEarned_lbl_4c0859" xml:lang="en-US">Contingent ceding commissions earned</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_233a9c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_TotalCommissionsEarned_lbl_233a9c" 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_e45db4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeAxis_lbl_e45db4" xml:lang="en-US">Range [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_adecdb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ReinstatementPremiumProtectionMember_lbl_adecdb" xml:lang="en-US">Reinstatement Premium Protection [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_500776" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PersonalLinesMember_lbl_500776" 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_1f6eea" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MinimumMember_lbl_1f6eea" 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_dec8d4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MaximumMember_lbl_dec8d4" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_81a181" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ReinsuranceDescription_lbl_81a181" xml:lang="en-US">Reinsurance description</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_5c3aa2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetContingentCedingCommissionsPayable_lbl_5c3aa2" 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_5d6b97" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfInsuranceBlock_lbl_5d6b97" 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-20220930.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_be09f8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PriorYearLossDevelopment_lbl_be09f8" 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_AdvancePremiums" xlink:to="king_AdvancePremiums_lbl_610d03" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_AdvancePremiums_lbl_610d03" xml:lang="en-US">Advance premiums</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_InExcessOf1" xlink:to="king_InExcessOf1_lbl_c72905" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_InExcessOf1_lbl_c72905" 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_259a2b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_CatastropheStubCoverage_lbl_259a2b" 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-20220930.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_47f53b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ExcessOfCatastropheCoverage_lbl_47f53b" xml:lang="en-US">Excess of catastrophe coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_08cdce" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ReinstatementOfPremiumProtectionAmount_lbl_08cdce" xml:lang="en-US">Reinstatement of premium protection, amount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_83a975" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LossInExcessCoverageDescription_lbl_83a975" xml:lang="en-US">Loss in excess coverage description</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_840c9f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SingleRiskCoverage_lbl_840c9f" xml:lang="en-US">Single risk coverage</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_b8203b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DirectLoss_lbl_b8203b" xml:lang="en-US">Direct loss</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_a3f763" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentAxis_lbl_a3f763" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_DiscountMember" xlink:label="king_DiscountMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DiscountMember" xlink:to="king_DiscountMember_lbl_f8b44e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DiscountMember_lbl_f8b44e" xml:lang="en-US">Discount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_c0867b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_IssuanceCostsMember_lbl_c0867b" xml:lang="en-US">Issuance costs</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_1f6a16" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl_1f6a16" 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_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtDisclosureAbstract_lbl_5008fa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureAbstract_lbl_5008fa" xml:lang="en-US">Debt (Details Narrative)</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_c104a1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis_lbl_c104a1" xml:lang="en-US">Federal Home Loan Bank Branch [Axis]</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_f388d8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_FederalHomeLoanBankOfNewYorkMember_lbl_f388d8" xml:lang="en-US">Federal Home Loan Bank of New York [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_CapitalLeaseMember" xlink:label="king_CapitalLeaseMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CapitalLeaseMember" xlink:to="king_CapitalLeaseMember_lbl_1b6feb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CapitalLeaseMember_lbl_1b6feb" xml:lang="en-US">Capital Lease [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromContributedCapital" xlink:label="us-gaap_ProceedsFromContributedCapital" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromContributedCapital" xlink:to="us-gaap_ProceedsFromContributedCapital_lbl_19bb8c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromContributedCapital_lbl_19bb8c" xml:lang="en-US">Net proceeds from the offering to contribute capital</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_c1f2aa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AdvancesLimitDescription_lbl_c1f2aa" xml:lang="en-US">Advances limit, description</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl_9e5051" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl_9e5051" xml:lang="en-US">Debt instrument, face amount</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDate" xlink:to="us-gaap_DebtInstrumentMaturityDate_lbl_f61fdf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl_f61fdf" xml:lang="en-US">Debt instrument, maturity date</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_DebtInstrumentunamortizedDiscount" xlink:label="king_DebtInstrumentunamortizedDiscount" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DebtInstrumentunamortizedDiscount" xlink:to="king_DebtInstrumentunamortizedDiscount_lbl_181181" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DebtInstrumentunamortizedDiscount_lbl_181181" xml:lang="en-US">Debt instrument, unamortized discount</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_9a0758" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DebtInstrumentTransactionCost_lbl_9a0758" xml:lang="en-US">Debt instrument, transaction cost</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DebtInstrumentInterestRate" xlink:to="king_DebtInstrumentInterestRate_lbl_15e521" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="king_DebtInstrumentInterestRate_lbl_15e521" xml:lang="en-US">Debt instrument, interest rate</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_939328" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DebtInstrumentYieldPercentage_lbl_939328" xml:lang="en-US">Debt instrument, yield percentage</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_2233aa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl_2233aa" xml:lang="en-US">Proceeds from issuance of unsecured notes</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleOfIntangibleAssets" xlink:label="us-gaap_ProceedsFromSaleOfIntangibleAssets" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfIntangibleAssets" xlink:to="us-gaap_ProceedsFromSaleOfIntangibleAssets_lbl_da42f1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfIntangibleAssets_lbl_da42f1" xml:lang="en-US">Sale of fixed assets</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_DescriptionOfSaleLeaseback" xlink:label="king_DescriptionOfSaleLeaseback" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_DescriptionOfSaleLeaseback" xlink:to="king_DescriptionOfSaleLeaseback_lbl_0f34f8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DescriptionOfSaleLeaseback_lbl_0f34f8" xml:lang="en-US">Description of sale leaseback</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_9f242d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_MaximumAllowableAdvances_lbl_9f242d" xml:lang="en-US">Maximum allowable advances</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_1a73ce" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardTypeAxis_lbl_1a73ce" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_StockOptionsMember" xlink:label="king_StockOptionsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_StockOptionsMember" xlink:to="king_StockOptionsMember_lbl_9b7c2c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StockOptionsMember_lbl_9b7c2c" xml:lang="en-US">Stock Options [Member]</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_c0e6dc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_c0e6dc" xml:lang="en-US">Number of options outstanding, beginning</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_2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_2" xml:lang="en-US">[Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number]</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_585a1b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl_585a1b" xml:lang="en-US">Granted 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_d7079f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl_d7079f" 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_4" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl_4" 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_659b77" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl_659b77" 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_5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl_5" xml:lang="en-US">[Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period]</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_15b93a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_15b93a" xml:lang="en-US">Number of options outstanding, ending</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_c504bb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NumberOfOptionsOutstandingVestedAndExercisable_lbl_c504bb" xml:lang="en-US">Number of options outstanding, vested and exercisable</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_e9f408" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAverageExercisePriceBeginningBalance_lbl_e9f408" 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_6b700f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl_6b700f" xml:lang="en-US">Weighted average exercise price, granted</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_729cae" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAverageExercisePriceExercised_lbl_729cae" 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_c0742f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl_c0742f" xml:lang="en-US">Weighted average exercise price, Forfeited</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_e0bf0c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAverageExercisePriceEndingBalance_lbl_e0bf0c" xml:lang="en-US">Weighted average exercise price, Ending balance</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_700b83" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAveragePricePerShareOutstandingVestedAndExercisable_lbl_700b83" xml:lang="en-US">Weighted Average Price per share outstanding, vested and exercisable</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_434d04" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAverageRemainingContractualBeginningBalance_lbl_434d04" xml:lang="en-US">Weighted Average Remaining Contractual, Beginning balance</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_fdc394" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_WeightedAverageRemainingContractualTermEndingBalance_lbl_fdc394" 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_369faa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_lbl_369faa" xml:lang="en-US">Weighted Average Remaining Contractual life, vested and exercisable</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AggregateIntrinsicValue" xlink:to="king_AggregateIntrinsicValue_lbl_dc2124" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="king_AggregateIntrinsicValue_lbl_dc2124" xml:lang="en-US">Aggregate Intrinsic value, begining balance</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_AggregateIntrinsicValue" xlink:label="king_AggregateIntrinsicValue" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AggregateIntrinsicValue" xlink:to="king_AggregateIntrinsicValue_lbl_17" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AggregateIntrinsicValue_lbl_17" xml:lang="en-US">[Aggregate Intrinsic value, begining balance]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_AggregateIntrinsicValueForfeited" xlink:label="king_AggregateIntrinsicValueForfeited" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AggregateIntrinsicValueForfeited" xlink:to="king_AggregateIntrinsicValueForfeited_lbl_e175e2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AggregateIntrinsicValueForfeited_lbl_e175e2" xml:lang="en-US">Aggregate Intrinsic Value , Forfeited</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_AggregateIntrinsicValue" xlink:to="king_AggregateIntrinsicValue_lbl_f6f97a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="king_AggregateIntrinsicValue_lbl_f6f97a" xml:lang="en-US">Aggregate Intrinsic value, ending balance</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_4b529f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AggregateIntrinsicValueVestedAndExercisable_lbl_4b529f" xml:lang="en-US">Aggregate Intrinsic Value , vested and exercisable</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_RestrictedStockAwardsMember" xlink:label="king_RestrictedStockAwardsMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RestrictedStockAwardsMember" xlink:to="king_RestrictedStockAwardsMember_lbl_8b353f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RestrictedStockAwardsMember_lbl_8b353f" xml:lang="en-US">Restricted Stock Awards [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl_76620d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl_76620d" xml:lang="en-US">Granted shares</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl_870063" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl_870063" 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_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_7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl_7" xml:lang="en-US">[Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average 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_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_e16ec2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl_e16ec2" 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_27a9c1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl_27a9c1" 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_325317" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_lbl_325317" xml:lang="en-US">Weighted Average Grant Date Fair Value per Share, forfeited</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl_0a23a0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_lbl_0a23a0" 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_96fce2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl_96fce2" 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_d23ee7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_lbl_d23ee7" xml:lang="en-US">Aggregate Fair Value, granted</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_9acd9b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_lbl_9acd9b" xml:lang="en-US">Aggregate Fair Value, vested</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_50441b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AggregateFairValueForfeited_lbl_50441b" xml:lang="en-US">Aggregate Fair Value, Forfeited</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_52dd93" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl_52dd93" 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_GrantMember" xlink:label="us-gaap_GrantMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrantMember" xlink:to="us-gaap_GrantMember_lbl_eb6392" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GrantMember_lbl_eb6392" xml:lang="en-US">Grant [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_OfferingMember" xlink:label="king_OfferingMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_OfferingMember" xlink:to="king_OfferingMember_lbl_da6e0e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_OfferingMember_lbl_da6e0e" xml:lang="en-US">2021/2022 Offering [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_2365f8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsCommonStock_lbl_2365f8" xml:lang="en-US">Dividends declared</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_6e1ee2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StockBasedCompensationForStockOptions_lbl_6e1ee2" xml:lang="en-US">Stock based compensation for stock options</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_10d766" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ShareBasedCompensationUnderOffering_lbl_10d766" xml:lang="en-US">Share-based compensation under offering</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_e6d36e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StockBasedCompensationForGrants_lbl_e6d36e" xml:lang="en-US">Stock based compensation for grants</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_StockBasedCompensationExpense" xlink:label="king_StockBasedCompensationExpense" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_StockBasedCompensationExpense" xlink:to="king_StockBasedCompensationExpense_lbl_8b633e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StockBasedCompensationExpense_lbl_8b633e" xml:lang="en-US">Stock-based compensation expense</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_SharesReservedForGrants" xlink:label="king_SharesReservedForGrants" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_SharesReservedForGrants" xlink:to="king_SharesReservedForGrants_lbl_8bebc8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_SharesReservedForGrants_lbl_8bebc8" xml:lang="en-US">Shares reserved for grants</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_07cb87" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FairValueOfUnamortizedCompensationCost_lbl_07cb87" xml:lang="en-US">Fair value of unamortized compensation cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_57a082" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_MaximumSharePurchaseUnderEspp_lbl_57a082" 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_d4ec92" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_lbl_d4ec92" xml:lang="en-US">Maximum share purchased by employee</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_dad242" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl_dad242" 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_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_878691" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl_878691" 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_ea643f" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl_ea643f" xml:lang="en-US">Net operating loss carryovers (1)</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_3d45ab" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_ClaimsReserveDiscount_lbl_3d45ab" 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_f6c814" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsDeferredIncome_lbl_f6c814" xml:lang="en-US">Unearned premium</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_9c6520" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_DeferredCedingCommissionRevenuedDeferredTax_lbl_9c6520" xml:lang="en-US">Deferred ceding commission revenues</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_NetUnrealizedLossessOnSecurities" xlink:label="king_NetUnrealizedLossessOnSecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetUnrealizedLossessOnSecurities" xlink:to="king_NetUnrealizedLossessOnSecurities_lbl_83bcf9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetUnrealizedLossessOnSecurities_lbl_83bcf9" xml:lang="en-US">Net unrealized lossess 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_cb76d8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl_cb76d8" 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_6be018" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl_6be018" 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_3d45db" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl_3d45db" 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_ec9138" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesInvestments_lbl_ec9138" 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_1f7e37" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesDeferredExpense_lbl_1f7e37" 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_1403e2" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl_1403e2" 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_3878a8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl_3878a8" 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="king-20220930.xsd#king_NetUnrealizedGainsLossesOfSecurities" xlink:label="king_NetUnrealizedGainsLossesOfSecurities" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NetUnrealizedGainsLossesOfSecurities" xlink:to="king_NetUnrealizedGainsLossesOfSecurities_lbl_5bc9ab" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetUnrealizedGainsLossesOfSecurities_lbl_5bc9ab" xml:lang="en-US">Net unrealized gains 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_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_79086d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl_79086d" xml:lang="en-US">Total deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_f6f3a0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NetDeferredIncomeTaxLiabilityAsset_lbl_f6f3a0" xml:lang="en-US">Net deferred income tax asset</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_FederalOnlyCurrentYearA" xlink:label="king_FederalOnlyCurrentYearA" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FederalOnlyCurrentYearA" xlink:to="king_FederalOnlyCurrentYearA_lbl_249277" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FederalOnlyCurrentYearA_lbl_249277" xml:lang="en-US">Federal only, NOL from 2022 and 2021</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_NolCarriedBack" xlink:label="king_NolCarriedBack" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_NolCarriedBack" xlink:to="king_NolCarriedBack_lbl_ecd182" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_NolCarriedBack_lbl_ecd182" xml:lang="en-US">NOL carried back</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_FederalonlyCurrentYear" xlink:label="king_FederalonlyCurrentYear" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FederalonlyCurrentYear" xlink:to="king_FederalonlyCurrentYear_lbl_560690" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FederalonlyCurrentYear_lbl_560690" xml:lang="en-US">Federal only, NOL from 2022 and 2021, net</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_StateOnlyA" xlink:label="king_StateOnlyA" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_StateOnlyA" xlink:to="king_StateOnlyA_lbl_81e098" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StateOnlyA_lbl_81e098" 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_8234ab" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl_8234ab" 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_6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl_6" xml:lang="en-US">[Deferred Tax Assets, Valuation Allowance]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_c269ec" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_StateOnlyNetOfValuationAllowance_lbl_c269ec" 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_a47c5c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl_a47c5c" xml:lang="en-US">Total deferred tax asset from net operating loss carryovers</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_OperatingLossCarryforwardExpirationDate" xlink:label="king_OperatingLossCarryforwardExpirationDate" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_OperatingLossCarryforwardExpirationDate" xlink:to="king_OperatingLossCarryforwardExpirationDate_lbl_1291fd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_OperatingLossCarryforwardExpirationDate_lbl_1291fd" xml:lang="en-US">Expiration of net operating loss carryforward</link:label>
    <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_253208" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl_253208" xml:lang="en-US">Related Party [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_CommercialMutualInsuranceCompanyMember" xlink:label="king_CommercialMutualInsuranceCompanyMember" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CommercialMutualInsuranceCompanyMember" xlink:to="king_CommercialMutualInsuranceCompanyMember_lbl_4d70f9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CommercialMutualInsuranceCompanyMember_lbl_4d70f9" xml:lang="en-US">CMIC [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_a921f1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLossCarryforwards_lbl_a921f1" 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_8c2a09" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReceivableWithImputedInterestFaceAmount_lbl_8c2a09" 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_0222e3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeFixedInterestRate_lbl_0222e3" 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_cd54af" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetBackedSecuritiesAtCarryingValue_lbl_cd54af" 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_0059fc" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestReceivable_lbl_0059fc" 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_c26554" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender_lbl_c26554" 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_ad91c5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsFrequentFlierLiability_lbl_ad91c5" 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_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl_67dfa3" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl_67dfa3" 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_7f9ec0" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DilutiveSecurities_lbl_7f9ec0" xml:lang="en-US">Effect of dilutive securities, common share equivalents: 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_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_cf9660" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits_lbl_cf9660" xml:lang="en-US">Effect of dilutive securities, common share equivalents: Restricted stock awards</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" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl_6aae81" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl_6aae81" 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_8ca1c1" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseCost_lbl_8ca1c1" xml:lang="en-US">Operating leases</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermLeaseCost" xlink:label="us-gaap_ShortTermLeaseCost" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermLeaseCost" xlink:to="us-gaap_ShortTermLeaseCost_lbl_5a1ddd" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortTermLeaseCost_lbl_5a1ddd" xml:lang="en-US">Short-term leases</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseCost" xlink:label="us-gaap_LeaseCost" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCost" xlink:to="us-gaap_LeaseCost_lbl_6e861d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseCost_lbl_6e861d" xml:lang="en-US">Total lease cost</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_OtherInformationOnOperatingLeasesAbstract" xlink:label="king_OtherInformationOnOperatingLeasesAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_OtherInformationOnOperatingLeasesAbstract" xlink:to="king_OtherInformationOnOperatingLeasesAbstract_lbl_4f7b85" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_OtherInformationOnOperatingLeasesAbstract_lbl_4f7b85" xml:lang="en-US">Other information on operating leases</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_CashPaymentsIncludedInTheMeasurementOfLeaseLiabilityReportedInOperatingCashFlows" xlink:label="king_CashPaymentsIncludedInTheMeasurementOfLeaseLiabilityReportedInOperatingCashFlows" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_CashPaymentsIncludedInTheMeasurementOfLeaseLiabilityReportedInOperatingCashFlows" xlink:to="king_CashPaymentsIncludedInTheMeasurementOfLeaseLiabilityReportedInOperatingCashFlows_lbl_cbabba" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CashPaymentsIncludedInTheMeasurementOfLeaseLiabilityReportedInOperatingCashFlows_lbl_cbabba" xml:lang="en-US">Cash payments included in the measurement of lease liability reported in operating cash flows</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_FairValueInputsDiscountRates" xlink:label="king_FairValueInputsDiscountRates" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_FairValueInputsDiscountRates" xlink:to="king_FairValueInputsDiscountRates_lbl_29477b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_FairValueInputsDiscountRates_lbl_29477b" xml:lang="en-US">Discount rate</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_RemainingLeaseTermInYearsKicko" xlink:label="king_RemainingLeaseTermInYearsKicko" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RemainingLeaseTermInYearsKicko" xlink:to="king_RemainingLeaseTermInYearsKicko_lbl_1e2c47" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RemainingLeaseTermInYearsKicko_lbl_1e2c47" xml:lang="en-US">Remaining lease term in years KICKO</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_RemainingLeaseTermInYearsCosi" xlink:label="king_RemainingLeaseTermInYearsCosi" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_RemainingLeaseTermInYearsCosi" xlink:to="king_RemainingLeaseTermInYearsCosi_lbl_5c7ef5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_RemainingLeaseTermInYearsCosi_lbl_5c7ef5" xml:lang="en-US">Remaining lease term in years Cosi</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_c746fa" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl_c746fa" xml:lang="en-US">Remainder of 2022</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_8e2978" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl_8e2978" 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_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl_546a3d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl_546a3d" 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_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_aa55ab" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl_aa55ab" xml:lang="en-US">Total undiscounted lease payments</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_af4262" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_OperatingLeaseLiabilityLessPresentValueAdjustment_lbl_af4262" xml:lang="en-US">Less: present value adjustment</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_940aad" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiability_lbl_940aad" xml:lang="en-US">Operating lease liability</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_e0461a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RestatementAxis_lbl_e0461a" xml:lang="en-US">Revision of Prior Period [Axis]</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_574116" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_TitleOfIndividualAxis_lbl_574116" xml:lang="en-US">Title of Individual [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_be379e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_CosiLeaseMember_lbl_be379e" xml:lang="en-US">Cosi Lease [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_30391e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_AmendedEmploymentAgreementMember_lbl_30391e" xml:lang="en-US">Amended Employment Agreement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_7271cf" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_JanuaryTwoThousandTwentyMember_lbl_7271cf" xml:lang="en-US">January 2020 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_686a8e" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_MrGoldsteinMember_lbl_686a8e" xml:lang="en-US">Barry GoldsteinMr. Goldstein [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_5264e6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EmploymentAgreementMember_lbl_5264e6" xml:lang="en-US">Employment Agreement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_fd615a" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_BarryGoldsteinPresidentChiefExecutiveOfficerandExecutiveChairmanoftheBoardMember_lbl_fd615a" xml:lang="en-US">Barry Goldstein, President, Chief Executive Officer and Executive Chairman of the Board [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl_81cd25" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="srt_MaximumMember_lbl_81cd25" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_1d3c06" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_GoldenEmloymentAgreementMember_lbl_1d3c06" xml:lang="en-US">Golden Emloyment Agreement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_cff283" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_MeryGoldenChiefOperatingOfficerMember_lbl_cff283" xml:lang="en-US">Mery Golden Chief Operating Officer [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_a42747" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_JanuaryTwoThousandTwentyThreeMember_lbl_a42747" xml:lang="en-US">January 2023 [Member]</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl_b93a03" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="srt_MinimumMember_lbl_b93a03" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="us-gaap_LeaseAndRentalExpense" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseAndRentalExpense" xlink:to="us-gaap_LeaseAndRentalExpense_lbl_b21ffb" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseAndRentalExpense_lbl_b21ffb" xml:lang="en-US">Rent expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_99f1d5" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_LeaseCosts_lbl_99f1d5" 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_cf2915" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl_cf2915" xml:lang="en-US">Restricted stock issued</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_2e2d2c" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl_2e2d2c" 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_1972ac" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalariesWagesAndOfficersCompensation_lbl_1972ac" xml:lang="en-US">Annual base salary</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_058d6d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PercentOfAveragePerAnnum_lbl_058d6d" xml:lang="en-US">Percent of average per annum</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_6c435d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl_6c435d" 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_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_d1578d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1_lbl_d1578d" xml:lang="en-US">Option purchase</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.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_035dda" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_PercentOfAnnualBonus_lbl_035dda" 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_EmployeeBenefitsAndShareBasedCompensationAbstract" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensationAbstract" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeBenefitsAndShareBasedCompensationAbstract" xlink:to="us-gaap_EmployeeBenefitsAndShareBasedCompensationAbstract_lbl_b705ad" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensationAbstract_lbl_b705ad" xml:lang="en-US">Employee Benefit Plans (Details Narrative)</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetirementPlanNameAxis" xlink:label="us-gaap_RetirementPlanNameAxis" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetirementPlanNameAxis" xlink:to="us-gaap_RetirementPlanNameAxis_lbl_e3968b" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetirementPlanNameAxis_lbl_e3968b" xml:lang="en-US">Retirement Plan Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_EmployeeBenefitPlan401Member" xlink:label="king_EmployeeBenefitPlan401Member" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EmployeeBenefitPlan401Member" xlink:to="king_EmployeeBenefitPlan401Member_lbl_7dbcd8" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EmployeeBenefitPlan401Member_lbl_7dbcd8" xml:lang="en-US">Employee Benefit Plan 401 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredCompensationArrangementWithIndividualDescription" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualDescription" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualDescription" xlink:to="us-gaap_DeferredCompensationArrangementWithIndividualDescription_lbl_0e7778" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualDescription_lbl_0e7778" xml:lang="en-US">Description of deferred compensation</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_4b1aa7" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredCompensationLiabilityCurrent_lbl_4b1aa7" xml:lang="en-US">Deferred compensation liability</link:label>
    <link:loc xlink:type="locator" xlink:href="king-20220930.xsd#king_EmployeeBenefitsIncurredExpense" xlink:label="king_EmployeeBenefitsIncurredExpense" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="king_EmployeeBenefitsIncurredExpense" xlink:to="king_EmployeeBenefitsIncurredExpense_lbl_8845ad" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="king_EmployeeBenefitsIncurredExpense_lbl_8845ad" xml:lang="en-US">Incurred expense</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeBenefitsAndShareBasedCompensation" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensation" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeBenefitsAndShareBasedCompensation" xlink:to="us-gaap_EmployeeBenefitsAndShareBasedCompensation_lbl_9d1d7d" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensation_lbl_9d1d7d" xml:lang="en-US">Employee benefits expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIncomeTaxRefunds" xlink:label="us-gaap_ProceedsFromIncomeTaxRefunds" />
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIncomeTaxRefunds" xlink:to="us-gaap_ProceedsFromIncomeTaxRefunds_lbl_7f54f9" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIncomeTaxRefunds_lbl_7f54f9" xml:lang="en-US">Tax Refund</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_7372d6" xlink:type="arc" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainsLossesOnSalesOfAssets_lbl_7372d6" xml:lang="en-US">Fixed Assets Sold</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_IncomeTaxBenefit" xlink:to="king_IncomeTaxBenefit_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_IncomeTaxBenefit_d">The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.</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_SaleEquitySecurities" xlink:to="king_SaleEquitySecurities_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_SaleEquitySecurities_d">Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale equity securities.</link:label>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="king_PropertyAndCasualtyInsuranceActivityTextBlock" xlink:to="king_PropertyAndCasualtyInsuranceActivityTextBlock_d" />
    <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="king_PropertyAndCasualtyInsuranceActivityTextBlock_d">Custom Element.</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>
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    <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>
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    <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>
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