Croupier
The dealer at a roulette table.
In context
The croupier spins the rotorequipmentRotorThe spinning part of the wheel that carries the pockets.Read full →, launches the ballequipmentBallThe small ball launched along the track against the rotor. Modern balls are ivorine or Teflon, 18–21 mm.Read full →, calls “no more betsprocedureNo more betsThe dealer’s call (or the on-screen prompt) that closes betting. Chips may no longer be placed, moved or removed.Read full →”, marks the winner and pays out in a fixed order.
From the French croupe (the rump of a horse): originally the person who rode behind, then the assistant who stood behind a gambler and advised on stakes.