Which term is best associated with the lender-borrower relationship?

In the context of the lender-borrower relationship, the term "Mortgagee - Mortgagor" accurately reflects the parties involved. The mortgagee is the lender who provides the loan to the borrower, while the mortgagor is the borrower who takes out the loan, typically to purchase real estate. This relationship is foundational in real estate transactions, as it establishes the obligations and rights of both parties. The mortgagor promises to repay the loan according to the agreed-upon terms, and in return, the mortgagee secures an interest in the property until the loan is repaid.

The other terms listed do not describe the specific lender-borrower dynamic within real estate finance. For example, "Grantor - Grantee" pertains to the transfer of property ownership, while "Beneficiary - Trustee" relates to trusts and the management of trust property. "Lessee - Lessor" describes a rental relationship, which is separate from the mortgage context. Thus, "Mortgagee - Mortgagor" is indeed the most appropriate terminology associated with the lender-borrower relationship in real estate transactions.