how do i stop the hate

>
MY son plays farmtown,so do i.
as precaution,i have him send them to my email first.
hired her, and before she left ,she started swearing at him.
sending taunting notes. Egging him on.
BUT my son KNOWING better then that,told me instead.
her farm name is CHINKYS farm's farm, her ign is chinkys farm
PLEASE HELP ME STOP THE HATE
i want to block her,
BUT
she is never on when we are on,
PLEASE run out of idea's.
Should not have to deal, with this kind of hate.
RUINS it for us all.
this is suppoded tobe fun.