My husband is my bully

Hi my name is min Esperanza and I'm in college my only family members are me,mom,dad,and my brother but he rather be called suga.im in a group called black pink my name I go by Lisa,my brother is in a really famous group at school his group is bts . But one thing my bother doesn't know is that I get bullied by his friend tae-Hyung but he goes by v. My brother has not introduced his friends to our parents and I have so they think he must have a lot of friends that he can't introduce them.me and my brother get along well and we would think of the same thing but he had really changed after he met his friends.and since he changed I started to get bullied