dissident vs actor

dissident and actor both are nouns.

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

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

Other hypernyms of dissident include doer, worker.

dissident (noun)	actor (noun)
a person who dissents from some established policy	a theatrical performer
	a person who acts and gets things done

dissident (adjective)	actor (adjective)
disagreeing, especially with a majority
characterized by departure from accepted beliefs or standards