The four types of government are oligarchy, aristocracy, monarchy, and democracy. An oligarchy is when a society is ruled by a few people, usually the rich.
1. the exercise of political authority over the actions, affairs, etc, of a political unit, people, etc, as well as the performance of certain functions for this unit or body; the action of governing; political rule and administration. 2. the system or form by which a community, etc, is ruled. tyrannical government.
A government is a system of order for a nation, state, or another political unit. A government is responsible for creating and enforcing the rules of a society, defense, foreign affairs, the economy, and public services.