Antonyms of king:
female monarch, queen, queen regnant, half-pint, lightweight, small-timer, inferior, subordinate, underling, nobody, nothing, zero.
Examples of usage:
  1. I know why the King had a will to send you, but I know not why you had the will to come."
    "Historical Romances: Under the Red Robe, Count Hannibal, A Gentleman of France", Stanley J. Weyman.
  2. This way, Mr. King.
    "The Wheel O' Fortune", Louis Tracy.
  3. " That is it," the King answered.
    "The Sunny Side of Diplomatic Life, 1875-1912", Lillie DeHegermann-Lindencrone.