Answer:
Volleyball officials that make up the officiating crew are first referee, second referee,scorekeeper, assistant scorer, and line judges. The first referee is in charge from the beginning of the match until the end.
In basketball, an official enforces the rules and maintains order in the game. The title of official also applies to the scorers and timekeepers, as well as other personnel that have an active task in maintaining the game.
In gridiron football, an official is a person who has responsibility in enforcing the rules and maintaining the order of the game. During professional and most college football games, seven officials operate on the field.
In baseball, the umpire is the person charged with officiating the game, including beginning and ending the game, enforcing the rules of the game and the grounds, making judgment calls on plays, and handling the disciplinary actions. The term is often shortened to the colloquial form ump.
Badminton, They are include of 1 referee, 1 umpire, 1 service judge, and 8 to 10 line judges.
