"Psychological bullying.
Examples of psychological bullying and social manipulation include:
ostracizing or
ignoring peers,
not inviting them to join groups or activities, spreading lies or rumors,
name calling,
and teasing hurtfully.
So are people denying that he's doing those things?
There are examples like this on the net, on Beat Bullying websites for instance. Why not educate yourself about it?
It's relentless aswell. On and on. Dude needs to give it a rest