Plutocrat (noun)

1. A person who is extremely wealthy and uses their wealth to exert influence or control over government or society.
2. A member of a wealthy ruling class who exercise power through their wealth.

Origin:

From the greek 'ploutos' meaning wealth and 'kratos' meaning power or rule.

Examples:

1. The country was run by a small group of plutocrats who controlled most of the nation's wealth and resources.
2. The media mogul was a well-known plutocrat who had significant political influence.
3. The political party was accused of being influenced by plutocrats who donated large sums of money to their campaign.
4. The plutocrats of the city lived in luxury while the majority of the population struggled to make ends meet.
5. Many people criticized the government for catering to the demands of the country's wealthy plutocrats.