recusant vs objector

recusant and objector both are nouns.

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

As nouns, objector is a hypernym of recusant; that is, objector is a word with a broader meaning than recusant:

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

Other hypernyms of recusant include contestant, dissenter, dissident, protester.

recusant (noun)	objector (noun)
someone who refuses to conform to established standards of conduct	a person who dissents from some established policy

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