civil rights leader vs civil rights activist

civil rights leader and civil rights activist both are nouns.

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

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

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

Other synonyms of civil rights leader include civil rights worker.

civil rights leader (noun)	civil rights activist (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