Is it Bullying?
When someone says or does something unintentionally hurtful...they hurt you accidentally, that's RUDE.
When someone says or does something intentionally hurtful...they hurt you on purpose...but only once, that's MEAN.
When two people say or do hurtful things back and forth to each other, that's a CONFLICT.
When someone say or does something hurtful on purpose, over and over again, and in a one-sided way, that's BULLYING.