I guess it's a bit strange if someone's doing something to do someone else bad.
I think it is a waste of life to find out more and more tricks to make sy's neighbour angry.
Anyway, they'll move sooner or later, and then you can start over again, when this guy's possibly assimilated more or less to your and your family's lifestyle.
Neverending story. Just forget it.
The world is full of beauty if the heart is full of love
