a person who is active in party politics.

a seeker or holder of public office, who is more concerned about winning favor or retaining power than about maintaining principles.

a person who holds a political office.

a person skilled in political government or administration; statesman or stateswoman.

an expert in politics or political government.

a person who seeks to gain power or advancement within an organization in ways that are generally disapproved.

noun

baby-kisser , boss , chieftain , congressperson , democrat , grandstander , handshaker , lawmaker , leader , legislator , member of congress , member of parliament , officeholder , office seeker , orator , partisan , party member , president , public servant , republican , senator , speaker , statesperson , whistle-stopper , demagogue (unprincipled andfactious) , politico , statesman , statist