仕打(しう)ち

しうち
noun
treatment (usually unkind); way of treating someone
actionpersonality
1. treatment (usually cruel or unfair)
The way someone treats another person, almost always meaning harsh, unfair or cruel treatment. It expresses the speaker's resentment.
ひどい仕打(しう)ちを受(う)けた。
I was treated terribly.
I can't treat the person who helped me like that.
I never thought the company I had served for so many years would treat me this way.

Almost always negative, often with ひどい, 冷(つめ)たい or そんな/こんな. A neutral word for "treatment" is 扱(あつか)い or, for treatment of people by an organization, 待遇(たいぐう).

Common collocations