A bit off topic, but looking for suggestions...

[Texas Aggie]

3. If he's old enough to umpire, he's old enough to take care of the situation himself -- with your counsel. I would have him call the guy and ask for an explanation, saying he got paid for a practice game and was under the impression he was going to get paid for this. Have him listen to the response and get a feel for if the guy realizes it was truly a misunderstanding or if he was indeed trying to take advantage of him.