Physical & Emotional Abuse Support Group
Abuse is a general term for the treatment of someone that causes some kind of harm (to the abused person, to the abusers themselves, or to someone else) that is unlawful or wrongful. No one deserves abuse, period. Abuse can be emotional, physical, or sexual.
Is there any way that you can change the custody arrangements? I don't think he is a good influence on your son at all.
He sounds unusually controlling - and I don't blame you son for not being a happy camper re his father.
It sounds like you're doing what you can by listening. Maybe some therapy would help your son as well, even it's his school counselor.