I remember talking with you about the therapist situation. Could he or would he recommend someone that he trusts and that has experience with the issues you have?
There are always right answers. They just may not be easy to follow through on.
I hate seeing you being intimidated like this by your ex. That seems to be problem 1.
I really think you should get in touch with that womens support group. They are likely to know this type of situation (vindictive exes) well and have good suggestions on coping with it. Keep fighting