Judges 9:31

And so he sent some messengers to Abimelech. But they had to pretend to be doing something else, or they would not have been allowed to leave Shechem. Zebul told the messengers to say: Gaal the son of Ebed has come to Shechem along with his brothers, and they have persuaded the people to let Gaal rule Shechem instead of you.