Overman

Webster's Dictionary of the English Language

·add. ·noun An Arbiter.

II. Overman ·add. ·noun One in authority over others; a chief; usually, an overseer or boss.

III. Overman ·add. ·noun In the philosophy of Nietzsche, a man of superior physique and powers capable of dominating others; one fitted to survive in an egoistic struggle for the mastery.