to pick on; to tease
to drive (someone) out by bullying them; to bully (someone) into leaving; to tr…
先輩が新入りをいびっている。
The senior is picking on the newcomer.
毎日いびられて精神的に限界だ。
Being picked on every day, I'm at my mental limit.
弱い者をいびるのは卑怯だ。
Picking on the weak is cowardly.