WikiPedia

• Constitutional theory defines a timocracy as either: a state where only property owners may participate in government; or a government in which love of honor is the ruling principle.
• Plutocracy is rule by the wealthy, or power provided by wealth.
• Ochlocracy is democracy (“rule of the people”) spoiled by demagoguery, “tyranny of the majority” and the rule of passion over reason; ochlocracy is synonymous in meaning and usage to the modern, informal term “mobocracy,” which emerged from a much more recent colloquial etymology.
• Oligocracy (“rule of a few”) is aristocracy (“rule of the best”) spoiled by corruption.