civil rights activist vs civil rights leader

civil rights activist and civil rights leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
civil rights activist	Yes	No	No	No
civil rights leader	Yes	No	No	No

As nouns, civil rights activist and civil rights leader are synonyms defined as:

civil rights activist and civil rights leader: a leader of the political movement dedicated to securing equal opportunity for members of minority groups

Other synonyms of civil rights activist include civil rights worker.

civil rights activist (noun)	civil rights leader (noun)
a leader of the political movement dedicated to securing equal opportunity for members of minority groups	a leader of the political movement dedicated to securing equal opportunity for members of minority groups