Feif Un:
Send him a letter explaining how his actions affected your life. It is a Bain Adam Lechavairo issue over here. He owes you one, but you have to let him know that you are owed. Once he knows where you stand it is up to him how to respond. A true yarei shomayim will swallow his pride and apologize.
Mistakes happen in all industries. The mistakes that become public scandals are those where the party involved ignores or denies the mistake. To err is human, to deny is foolish!
Last thing: Be thankful all you are dealing with is a poor chinuch decision and not real abuse. Hatzlacha!