This may seem unrealistic junerain and you may not see any hope in it but....

Find the bully with the most power...they are easy to spot...they are generally in front of everything...

Go to that person and ask if there is anything you could do to help her..

Do that everyday,,regardless of her answer..and smile...that's important,,a genuine smile without anger...

At some point her conscience,,if she has one,,will not allow the bullying to continue upon you..

The unforunate aspect is their(the mob) behavior won't change,,they will find another... But you will be at peace.

With care,

Lenny