socialist vs political leader

socialist and political leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
socialist	Yes	Yes	No	No
political leader	Yes	No	No	No

As nouns, political leader is a hypernym of socialist; that is, political leader is a word with a broader meaning than socialist:

Other hypernyms of socialist include pol, politician, politico.

socialist (noun)	political leader (noun)
a political advocate of socialism	a person active in party politics

socialist (adjective)	political leader (adjective)
advocating or following the socialist principles