As soon as you are able, forgive.
Keep in mind, if you are a Christian, that just because a "religion" has misrepresented God, that doesn't mean HE is the one to blame. I used to blame God for everything that went wrong, but looking back, I see that I made bad choices.
I should have done more research, I shouldn't have trusted so soon, etc... These are things I have done myself, in other relationships, no religion involved. Yet, you can apply it to (any) organization as well.
Forgiving sets the captive free, and often YOU are the captive, whether you know it or not.