Answer: I know some:
tribunes: Tribune was the title of various elected officials in ancient Rome. The two most important were the tribunes of the plebs and the military tribunes.
emperor: An emperor is a monarch, and usually the sovereign ruler of an empire or another type of imperial realm. Empress, the female equivalent, may indicate an emperor's wife, mother, or a woman who rules in her own right. Emperors are generally recognized to be of the highest monarchic honour and rank, surpassing kings.
pharaoh: Pharaoh is the common title now used for the monarchs of ancient Egypt from the First Dynasty until the annexation of Egypt by the Roman Empire in 30 BCE