libber vs social reformer

libber and social reformer both are nouns.

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

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

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

libber (noun)	social reformer (noun)
a supporter of feminism	a disputant who advocates reform