This image refers to fairness in contact and dealings with the world and the Self.
The image points to the inner, psychic authority of the Self that judges you as well as others. It suggests you take on a more neutral and detached attitude toward life. Observe your own “games” a little more closely.... Little Giant Encyclopedia
A referee as a character in your dreams may point to some problem that needs mediation. He may ask you to follow the rules of the game in any of your social interactions. His appearance may be a response to your own intervention in the arguments of others.... Ariadne's Book of Dream