A politician.

To engage in political activity; politick.

Of or relating to polity, or civil government; political.

“the body politic”

(of things) Relating to, or promoting, a policy, especially a national policy; well-devised; adapted to its end, whether right or wrong.

“a politic treaty”

Sagacious in promoting a policy; ingenious in devising and advancing a system of management; devoted to a scheme or system rather than to a principle; hence, in a good sense, wise; prudent; sagacious