expiate
🇺🇸
/ˈekspieɪt/
🇬🇧
/ˈekspieɪt/
to say sorry for something wrong by accepting punishment or doing something
She decided to volunteer at the local shelter to expiate her past mistakes.
彼女は過去の過ちを償うために地元のシェルターでボランティアをすることにした。