Croupier (noun)

A person who manages a gambling table at a casino, especially one who manages the roulette wheel.

Origin:

French, from croup ("rump") + -ier.

Examples:

1. The croupier carefully placed the chips on the betting table.
2. As a croupier, it was her job to keep the game running smoothly.
3. The croupier spun the roulette wheel with a practiced hand.
4. He had always been fascinated by the croupiers and their seamless manipulation of the chips.
5. The croupier dealt the cards with the precision of a master.