supremacist vs advocate

supremacist and advocate both are nouns.

Word	Noun	Adjective	Verb	Adverb
supremacist	Yes	No	No	No
advocate	Yes	No	Yes	No

As nouns, advocate is a hypernym of supremacist; that is, advocate is a word with a broader meaning than supremacist:

supremacist: a person who advocates the supremacy of some particular group or racial group over all others
advocate: a person who pleads for a cause or propounds an idea

Other hypernyms of supremacist include advocator, exponent, proponent.

supremacist (noun)	advocate (noun)
a person who advocates the supremacy of some particular group or racial group over all others	a person who pleads for a cause or propounds an idea
	a lawyer who pleads cases in court

supremacist (verb)	advocate (verb)
	push for something
	speak, plead, or argue in favor of