hippy vs social reformer

hippy and social reformer both are nouns.

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

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

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

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

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