protester vs recusant

protester and recusant both are nouns.

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

As nouns, recusant is a hyponym of protester; that is, recusant is a word with a more specific, narrower meaning than protester:

protester: a person who dissents from some established policy
recusant: someone who refuses to conform to established standards of conduct

Other hyponyms of protester include CO, conscientious objector, nonconformist, political dissident, NIMBY.

protester (noun)	recusant (noun)
someone who participates in a public display of group feeling	someone who refuses to conform to established standards of conduct
a person who dissents from some established policy

protester (adjective)	recusant (adjective)
	refusing to submit to authority
	(of Catholics) refusing to attend services of the Church of England