Not a disorder
If you do not like being a masochist work on changing it. hlHowever, there is no correlation to disliking a part of yourself and it being a disorder. Sure you do not like it. You are insecure or asamed.You call it evil, stupid, out of control or a disorder. We get it, its impossibly hard to not like parts of yourself. It still does not classify this as a disorder. Pain as a ritual is 5,000 + yrs older than christ - It has a biological & neurochemical place.