I remember the saying "If there's a will, there's a way" and it might happen to op for not able to control himself.
But also there is a saying that "No Man Is an Island,No man Can stand alone" meaning that even how much Willingness he has yet he cannot win the fight without the help of people around Him but this will only happen if he is willing to surrender Himself for the Betterment of His own life.
acceptance is what he needs first before everything takes place.
So even this particular casino banned him from playing, if he still wants to play then there's always a way to do it. The casino is not the problem here but the gambler itself, you need to control yourself for your own good.
Yes that's it, there are thousands of casinos Online that he can turn on even stakes permanently banned his IP addresses .
Its not going to be easy but if you're determine then you can do it with the help of the people who has a concern towards you.
Will Power, Dedication and obligatory , this will be your weapon to win against addiction .