Sports officiating

supervisor of a game of association football

thumb|Cristiano Ronaldo being booked by a referee for foul or misconduct during a game of football thumb|Dean Morton, a referee in the [[American Hockey League]] A referee is an official, in a variety of sports and competition, responsible for enforcing the rules of the sport, including sportsmanship decisions such as ejection. The official tasked with this job may be known by a variety of other titles depending on the sport, including umpire, judge, arbiter, commissaire, or technical official (by the International Olympic Committee). Referees may be assisted by linesmen, timekeepers, touch ju

person who has the authority to make judgements on the cricket field

official who enforces the rules and maintains order in a basketball game

volunteer workers responsible for the safety of motor racing competitors

A timekeeper is a person that measures the passage of time. They may have additional functions in sports and business.

person who acts as referee at tennis

person charged with officiating a baseball game

person of authority who is responsible for presiding over an ice hockey game from a neutral point of view

game administrator in American football

Ringside judges in sumo