Thank you everyone for your wonderful advice. I took all of your suggestions into consideration, and completely removed him everywhere. I haven't heard anything in the past few days since I made this thread, so hopefully now he stays gone.

It was emotional blackmail and it was unfair. I had held on to a lot of guilt which I recently let go of. Just had to make peace with it is all. Thank you again for all the hugs and the great suggestions by the posters.