bully / mob
いじめる。Mobは集団によるものを指す
Ex) "Mobbing" is abusive conduct carried out by a group.
crude joke
下品なジョーク
demeaning
屈辱的な
derogatory
軽蔑的な、名誉を毀損するような
Ex) Don't make derogatory joke.
discrimination
差別
harass
苦しめる、迷惑行為をする
Ex) Although many people associate sexual harassment with men harassing women, or made managers harassing employees, it's much broader than that.
harassment
迷惑行為、ハラスメント
Ex) Harassment can take many forms.
retaliation
仕返し、報復
tease
からかう
Ex) She was teased by a colleague because of her skin color.