POSSESSOR
owner, possessor
(noun) a person who owns something; “they are searching for the owner of the car”; “who is the owner of that friendly smile?”
Source: WordNet® 3.1
Etymology
Noun
possessor (plural possessors)
Agent noun of possess; one who possesses
Antonym: possessum (linguistics)
Source: Wiktionary
Pos*sess"or, n. Etym: [L.: cf. F. possesseur.]
Definition: One who possesses; one who occupies, holds, owns, or controls;
one who has actual participation or enjoyment, generally of that
which is desirable; a proprietor. "Possessors of eternal glory." Law.
As if he had been possessor of the whole world. Sharp.
Syn.
– Owner; proprietor; master; holder; occupant.
Source: Webster’s Unabridged Dictionary 1913 Edition