Diane's Prayer

I work at a college library.  I care about these students who are suffering from depression, hunger, etc and I try to help them the best I can.  My co-worker is always trying to hurt me.  He said I created a fire hazard and is always pinning people against me.  He is always outside with friends.  My other coworkers that have ailments, have to do his job.  Can you pray this guy stops hurting others and that no one believes his lies.  Thank you!