NIMBY vs dissenter

NIMBY and dissenter both are nouns.

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

As nouns, dissenter is a hypernym of NIMBY; that is, dissenter 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
dissenter: a person who dissents from some established policy

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

NIMBY (noun)	dissenter (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	a person who dissents from some established policy