It is called oligarchy.
aristocratic
Each city-state, or polis, had its own government. Some city states were monarchies ruled by kings or tyrants. Others were oligarchies ruled by a few powerful men on councils. The city of Athens invented the government of democracy and was ruled by the people for many years.
a government ruled by the wealthy
a monarchy
Aristocrats or Wealthy Home owners
A Plutocracy .
aristocratic
Some names for the form of government ruled by the rich or powerful might include, a plutocracy (rule by the wealthy), an oligarchy (rule by the wealthy, connected, educated, royalty), or maybe an aristocracy (rule by a small class of privileged).
The government was a city-state ruled by the wealthy Medici family.
aristocracy
Ancient Mali was ruled by powerful kings
Genoa wass ruled by a doge with a two year term, selected in an oligarchy of wealthy merchant families. These powerful families were rivals and often fought. *Needs some more info*
Genghis Khan ruled parts of China, Asia, and Europe. He was quite wealthy and powerful.
A secular government.
autocratic government
A government ruled by a few rich and powerful men in ancient Greece is referred to as "oligarchy." In this system, a small group of elite individuals, often from wealthy aristocratic families, held significant political power and influence over the state. Oligarchies were common in various Greek city-states, where decisions were made to benefit the interests of the ruling class rather than the general populace.
Free adult males who were members of wealthy and powerful families could vote for the President or Prime Minister.