matchofficial
nounUK /ˈmætʃ əˈfɪʃəl/
US /ˈmætʃ əˈfɪʃəl/
A match official is a person who makes sure a game is played fairly by the rules.
The match official blew the whistle when the player touched the ball with his hand.
OTHER MEANINGS
2. A person who oversees a competition and enforces its rules.
The match official checked the scorecard before the final round.
3. An official appointed to settle disputes during a sporting event.
Players must respect the decision of the match official.
4. A referee or umpire in a specific sport.
The match official for the tennis final was very experienced.