noun
person with a defective character; personality disorder sufferer
Refers to someone whose fundamental personality traits are so flawed or disordered that they cause persistent problems in social or personal life. Often used in psychological or critical contexts.
彼は性格破綻者で、誰とも長く付き合えない。
He is a person with a defective character and can't maintain long-term relationships with anyone.
あの
That boss is a typical personality disorder sufferer.