Politician

One versed or experienced in the science of government; one devoted to politics; a statesman.

One primarily devoted to his own advancement in public office, or to the success of a political party; -- used in a depreciatory sense; one addicted or attached to politics as managed by parties (see Politics, 2); a schemer; an intriguer; as, a mere politician.

Cunning; using artifice; politic; artful.