A single ruler, such as a king, queen, or emperor who holds all the power in a country or empire.
A member of the most powerful class in ancient Greek society.
One of several people who rule a country or empire together, sharing the power.
A person who seizes power illegally.
A member of a democracy, who has certain rights and responsibilities.
A group of citizens in an ancient Greek democracy with the power to pass laws.
A form of government in which the ruling power is shared by all citizens.