hippie vs social reformer

hippie and social reformer both are nouns.

Word	Noun	Adjective	Verb	Adverb
hippie	Yes	No	No	No
social reformer	Yes	No	No	No

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

hippie: someone who rejects the established culture; advocates extreme liberalism in politics and lifestyle
social reformer: a disputant who advocates reform

Other hypernyms of hippie include crusader, meliorist, reformer, reformist.

hippie (noun)	social reformer (noun)
someone who rejects the established culture; advocates extreme liberalism in politics and lifestyle	a disputant who advocates reform