Dictator /(?)/

Dic·ta·tor

Dictator

n.
  1. One who dictates; one who prescribes rules and maxims authoritatively for the direction of others.
  2. One invested with absolute authority; especially, a magistrate created in times of exigence and distress, and invested with unlimited power.
    Invested with the authority of a dictator, nay, of a pope, over our language.