A group of girls were 'bullying' [='picking on'] her at the playground.
She uses her position as a famous actress as a 'bully pulpit'.
My sister was the school/class/neighborhood 'bully'.
(..) I return to find my home destroyed and my father murdered. The only explanations for it are the ramblings of an old, blind man. All I remember of you is a spoiled bully... ..who used to burn my hair as a child. Please allow that war and prison may change a man. Whatever happened between you (..)1991 Robin Hood: Prince of Thieves
(..) Perhaps. Now remove yourself from here. I would, but I'm sworn to protect you. Protect me? Robin of Locksley was nothing but a spoiled bully. Besides, as you can see, we have enough protection. Marian, wait! You are truly courageous against an unarmed man. (..)1991 Robin Hood: Prince of Thieves