feminist vs reformer

feminist and reformer both are nouns.

Word	Noun	Adjective	Verb	Adverb
feminist	Yes	Yes	No	No
reformer	Yes	No	No	No

As nouns, reformer is a hypernym of feminist; that is, reformer is a word with a broader meaning than feminist:

Other hypernyms of feminist include crusader, meliorist, reformist, social reformer.

feminist (noun)	reformer (noun)
a supporter of feminism	an apparatus that reforms the molecular structure of hydrocarbons to produce richer fuel
	a disputant who advocates reform

feminist (adjective)	reformer (adjective)
of or relating to or advocating equal rights for women