computer user vs actor

computer user and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
computer user	Yes	No	No	No
actor	Yes	No	No	No

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

computer user: a person who uses computers for work or entertainment or communication or business
actor: a person who acts and gets things done

Other hypernyms of computer user include doer, worker.

computer user (noun)	actor (noun)
a person who uses computers for work or entertainment or communication or business	a theatrical performer
	a person who acts and gets things done