But what should've I done?

You mocked the girl next to me many times calling her emo While saying these awful things you laughed. I just turned myseld to the back and said: ,,pull yourself together" facing the other girl instantly. ,,Just ignore him hahaha", she says. I thought who are you? Who are you that she is *not allowed to say something?* But I saw things more clearly when you started living out the hatred towards me and even made me cry. So I am not allowed to stand up for the person because it was just jokingly meant and I am being way too serious. So when I saw her laugh to her friend when he said something like that I kept quiet. I am not proud of that. Not at all. I hate us.