Tycoon (noun)

A wealthy and powerful businessman or industrialist, especially one with a great deal of control or influence in a particular industry.

Origin:

Mid 19th century: from japanese taikun "great lord", from chinese dà "great" + jūn "prince".

Examples:

1. He was a tycoon in the oil industry.
2. She was a media tycoon who controlled several newspapers and television stations.
3. He was considered a tycoon in the real estate industry.
4. The tycoon built his fortune through hard work and determination.
5. The tycoon had a reputation for being ruthless in his business dealings.