Dictator was a political office of the Roman Republic. A legal innovation of the Roman Republic, the dictator (Latin for "one who dictates (orders)") — officially known as the Magister Populi ("Master of the People"), the Praetor Maximus ("The supreme Praetor"), and the Magister Peditum ("Master of the Infantry") — was an extraordinary magistrate (magistratus extraordinarius) whose function was to perform extraordinary tasks exceeding the authority of any of the ordinary magistrates.
See more at Wikipedia.org...