atonement

1. N-UNCOUNT If you do something as an atonement for doing something wrong, you do it to show that you are sorry. 赎罪[正式] [oft N 'for' n]

He's living in a monastery in a gesture of atonement for human rights abuses committed under his leadership. 为了弥补自己当权时对人权的践踏，他住进修道院以示赎罪。