possessor vs actor

possessor and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
possessor	Yes	No	No	No
actor	Yes	No	No	No

As nouns, actor is a hypernym of possessor; that is, actor is a word with a broader meaning than possessor:

Other hypernyms of possessor include doer, worker.

possessor (noun)	actor (noun)
a person who owns something	a theatrical performer
	a person who acts and gets things done