mortgage holder,
mortgagee the person who accepts a mortgage; "the bank became our mortgagee when it accepted our mortgage on our new home"
officeholder,
officer someone who is appointed or elected to an office and who holds a position of trust; "he is an officer of the court"; "the club elected its officers for the coming year"
policyholder a person who holds an insurance policy; usually, the client in whose name an insurance policy is written
holder -
the person who is in possession of a check or note or bond or document of title that is endorsed to him or to whoever holds it; "the bond was marked `payable to bearer'"