When a person sexually harasses you.
Harassment can be in any form or action. From calling their name numerous times, to constantly staring and compementing her. (Most likely a she) Sexual harassment is a form of violence.
Don't let it happen to you!
Avoid the predator, and move away as fast as possible. You could confront the person, and tell them to please stay away from you. You could also, tell a friend or adult so they can give you advice or comfort you.
Don't be afraid to speak up!
Mom-Dad-Grandma-Grandpa-Sister-Brother-Teacher-Principle-Councilor-Aunt-Uncle-Cousin-Friend All these people can help you!