An American football coach is responsible for training and guiding a team of players in the sport of American football. They develop strategies, create practice plans, and make decisions during games to help their team succeed. Coaches often focus on improving players' skills, teamwork, and understanding of the game. Coaches can work at various levels, from youth leagues to professional teams like those in the NFL (National Football League). They often have a background in playing the sport or have studied it extensively. Successful coaches are known for their leadership, communication skills, and ability to motivate their players.