candidate vs actor

candidate and actor both are nouns.

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

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

candidate: someone who is considered for something (for an office or prize or honor etc.)
actor: a person who acts and gets things done

Other hypernyms of candidate include doer, worker.

candidate (noun)	actor (noun)
someone who is considered for something (for an office or prize or honor etc.)	a theatrical performer
a politician who is running for public office	a person who acts and gets things done