Could you give more details here. How can you say that they are a scammer? Did the owner already tell you that his intention was to scam right before you start creating his website? If yes then why would you accept his offer when you know that is bad? And why are you confessing this things now? Did you feel guilty or what?
But, when I try to backread this page I have not seen enough complaints that they got scammed but they have other lighter concerns. Maybe the casino started to look legit because they wanted to gain more trust and costumers and then when they grow that's the time they will show their true colours but thanks for letting us now. From now on, we will now take extra precautions.