a person who is conducting the state affairs or engaged in the business of government.

a person authorised to carry out something on behalf of anotehr or a state; an agent.

one who manages a business, institution, etc.; a manager.

a person who shows wisdom, skill, and vision in conducting state affairs and dealing with public issues; a statesman.

(gen.) a man possessing high degree of wisdom or skill.

an expert cheat; a trickster.