Akademik

referee
n. & v.
—n.
1 an umpire esp. in football or boxing.
2 a person whose opinion or judgement is sought in some connection, or who is referred to for a decision in a dispute etc.
3 a person willing to testify to the character of an applicant for employment etc.
—v. (referees, refereed)
1 intr. act as referee.
2 tr. be the referee of (a game etc.).

Useful english dictionary. 2012.