That's why my trainer got rid of her colt. He was just too mean to keep around, he was bad in the stall, bad in the paddock, and bad under saddle. He was a walking liability suit, and I'm glad she sold him, too many kids around the barn.
I am honestly baffled that you've got yourself so convinced he deliberately jumped on the rider. Not when there's as much momentum and speed as there is going over a jump. You'd better have it on film.
Could it be proved that the horse deliberately jumped onto the rider after dumping him? I didn't read that that was a deliberate act on the part of the horse.
Becky