"…It is not only being the victim of bullying that is related to self-harm, but also being a bully aggressor. In fact, in our study we found that adolescents who are both bullies and are bullied by their peers (the bully-victims), were the group most vulnerable to self-harm…"

Read the entire article: https://blogs.biomedcentral.com/bmcseriesblog/2021/03/31/the-relationship-between-self-harm-and-bullying-among-adolescents/