quester vs actor

quester and actor both are nouns.

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

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

Other hypernyms of quester include doer, worker.

quester (noun)	actor (noun)
someone making a search or inquiry	a theatrical performer
	a person who acts and gets things done