加害者 かがいしゃ Meanings Noun perpetrator; wrong-doer; aggressor; assailant; offender; at-fault party (e.g. in an accident) Antonym: 被害者 (ひがいしゃ). Kanji 加 add. Read as カ. 害 harm. Read as ガイ. 者 person. Read as シャ. Common phrases 加害者になる Jinuma: Japanese Dictionary · Word lists