ServicerServicerPrimary Person responsible for servicing the Mortgage Loan (e.g.,  the originator, the selling Lender, or a third-party servicer). (which may be Fannie Mae, the ServicerServicerPrimary Person responsible for servicing the Mortgage Loan (e.g.,  the originator, the selling Lender, or a third-party servicer). , 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. .