fighter vs actor

fighter and actor both are nouns.

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

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

Other hypernyms of fighter include doer, worker.

fighter (noun)	actor (noun)
a high-speed military or naval airplane designed to destroy enemy aircraft in the air	a theatrical performer
someone who fights (or is fighting)	a person who acts and gets things done
someone who fights for a cause