Mortgage holder, e.g.

• He's mortgaged
• Person with a mortgage, e.g.
• One whose property is claimed, legally
• Person with a mortgage, e.g
• Mortgagor, e.g
• Holder of a collateral loan
• Many a homeowner
• One whose property is claimed legally
• Subject of a property claim

Wiktionary Word definitions in Wiktionary
n. (context legal English) One who has right of possession of goods but not right of property; the registered owner.