Bully

bully verb [ T ] uk/ˈbʊli/ us
to intentionally frighten someone who is smaller or weaker than you

запугивать
He was bullied at school by some older boys. [ + into + doing sth ] She was bullied into leaving. bully ing noun [ U ]

запугивание
Bullying is a problem in many schools.

BULLY noun

[ C ] uk/ˈbʊli/ us
someone who intentionally frightens a person who is smaller or weaker than them

задира, обидчик