malcontent vs actor

malcontent and actor both are nouns.

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

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

Other hypernyms of malcontent include doer, worker.

malcontent (noun)	actor (noun)
a person who is discontented or disgusted	a theatrical performer
	a person who acts and gets things done

malcontent (adjective)	actor (adjective)
discontented as toward authority