A croupier is a person who manages the gaming tables in a casino. They are responsible for dealing cards, spinning the roulette wheel, and overseeing the games to ensure fair play. Croupiers must be knowledgeable about the rules of various games, such as poker and blackjack, and they often interact with players to explain rules and payouts. In addition to their gaming duties, croupiers handle chips and cash, ensuring that all transactions are accurate. They typically work in a fast-paced environment and must maintain a professional demeanor while managing the excitement of the casino atmosphere.