protester vs actor

protester and actor both are nouns.

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

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

Other hypernyms of protester include doer, worker.

protester (noun)	actor (noun)
someone who participates in a public display of group feeling	a theatrical performer
a person who dissents from some established policy	a person who acts and gets things done