Hey, it is so unfair what happened to you!
I think that you should not let him get away with this. If you have a chance then I would advise you to bring him to justice so that he will punished for what he did to you!
About the eating disorder: Did you ever have a look at Overeaters Anonymous?
A friend of mine found freedom from bulimia by going there regularly and working and living the twelve steps that these people use to overcome their problems.
Stay strong and don´t give up!