Marxist vs advocate

Marxist and advocate both are nouns.

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

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

Other hypernyms of Marxist include advocator, exponent, proponent.

Marxist (noun)	advocate (noun)
an advocate of Marxism	a person who pleads for a cause or propounds an idea
emotionally charged terms used to refer to extreme radicals or revolutionaries	a lawyer who pleads cases in court

Marxist (adjective)	advocate (adjective)
following the ideas of Marx and Engels

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