A (living) sacrifice — something or someone (often an animal or historically a person) offered alive in rituals or religious practices.
古代の宗教では生贄が捧げられていた記録がある。
There are records showing that living sacrifices were offered in ancient religions.
儀式のために動物を生贄にする習慣があった。
There was a custom of offering animals as living sacrifices for rituals.
作中では英雄が自ら生贄になる場面が描かれる。
The work depicts a scene in which a hero sacrifices himself.
A victim or scapegoat — used figuratively for someone who is blamed or sacrificed (politically or socially) to bear responsibility.
失敗の責任を一人の社員に押し付けて生贄にした。
They pinned the blame for the failure on one employee and made him a scapegoat.
不祥事の生贄にされないように、証拠を保存しておいた。
I kept records so I wouldn't be made a scapegoat in the scandal.
政治的な都合で彼が生贄にされたと批判された。
It was criticized that he was made a scapegoat for political convenience.