oligarch

A member of a small governing faction.

In botany, having a few centripetally developed xylem plates: said of some radial vascular cylinders.

A member of an oligarchy; one of a few holding political power.

A member of an oligarchy; one of the rulers in an oligarchical government.

A member of an oligarchy, someone who is part of a small group that runs a country.

A very rich person (especially in Russia).

A protoplanet formed during oligarchic accretion.

one of the rulers in an oligarchy