protester vs protest

protester and protest both are nouns.

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

protester (noun)	protest (noun)
someone who participates in a public display of group feeling	the act of protesting; a public (often organized) manifestation of dissent
a person who dissents from some established policy	a formal and solemn declaration of objection
	the act of making a strong public expression of disagreement and disapproval

protester (verb)	protest (verb)
	utter words of protest
	affirm or avow formally or solemnly
	express opposition through action or words