politics vs politician

politics and politician both are nouns.

Word	Noun	Adjective	Verb	Adverb
politics	Yes	No	No	No
politician	Yes	No	No	No

politics (noun)	politician (noun)
the profession devoted to governing and to political affairs	a person active in party politics
the activities and affairs involved in managing a state or a government	a leader engaged in civil administration
the study of government of states and other political units	a schemer who tries to gain advantage in an organization in sly or underhanded ways
the opinion you hold with respect to political questions
social relations involving intrigue to gain authority or power