ServicerServicerPrimary Person servicing the Mortgage Loan, including the originator, seller, or a third party. (which may be Fannie Mae, the ServicerServicerPrimary Person servicing the Mortgage Loan, including the originator, seller, or a third party. , or a third-party special servicer contracted by Fannie Mae) responsible for implementing the loss mitigation actions for a Non-Performing Mortgage LoanNon-Performing Mortgage LoanMortgage Loan that is subject to an uncured default. .