Ever leave us alone. My son had seen him (removed by moderator) riding up the road with his work friend in the van who he supposedly doesn’t like he blew his horn at my son and waved knowing full well my son hates him with passion and he knows my son is getting counselling through him. X
Sadly if they can they will cause issues, all you can do is give your son a plan of action in case it happens again. ie that if is well in his rights to ignore the vile creature. I’m not sure if there is a law that stops him coming in so many feet of your son.