preservationist vs reformist

preservationist and reformist both are nouns.

Word	Noun	Adjective	Verb	Adverb
preservationist	Yes	No	No	No
reformist	Yes	Yes	No	No

As nouns, reformist is a hypernym of preservationist; that is, reformist is a word with a broader meaning than preservationist:

preservationist: someone who advocates the preservation of historical sites or endangered species or natural areas
reformist: a disputant who advocates reform

Other hypernyms of preservationist include crusader, meliorist, reformer, social reformer.

preservationist (noun)	reformist (noun)
someone who advocates the preservation of historical sites or endangered species or natural areas	a disputant who advocates reform

preservationist (adjective)	reformist (adjective)
	favoring or promoting reform (often by government action)