Would love to tell a few friends to have a quiet word with him ... but prob is no idea who he is or anything I know its not a clever thing to do - but sometimes a little bit of physical is an 'enabler' to helping someone see a point of view.
Probably not if he's a proper mentalist. (That's the second time I've used that 'Partridge-ism' today.) Unfortunately it's a case of keeping on at the police and council and staying on your guard. Yes, friends and neighbours can help but internet forum bravado won't help her.