NIMBY vs protester

NIMBY and protester both are nouns.

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

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

NIMBY: someone who objects to siting something in their own neighborhood but does not object to it being sited elsewhere; an acronym for not in my backyard
protester: a person who dissents from some established policy

Other hypernyms of NIMBY include contestant, dissenter, dissident, objector.

NIMBY (noun)	protester (noun)
someone who objects to siting something in their own neighborhood but does not object to it being sited elsewhere; an acronym for not in my backyard	someone who participates in a public display of group feeling
	a person who dissents from some established policy