protest vs protester

protest and protester both are nouns.

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

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

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