tycoon

Short definition from Wiktionary

Noun

1. 1
   A wealthy and powerful business person.
2. 2
   A game involving the use of a base to generate bricks and cash (similar to an idle game or clicker game), which can then be used to purchase upgrades and expand. Common within the massively multiplayer online game platform Roblox.
3. 3
   A Japanese shedding game
4. 4
   A Japanese shedding game: The name for the person in the top spot in that game