winner vs actor

winner and actor both are nouns.

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

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

Other hypernyms of winner include doer, worker.

winner (noun)	actor (noun)
the contestant who wins the contest	a theatrical performer
a gambler who wins a bet	a person who acts and gets things done
a person with a record of successes