self-sacrifice
🇺🇸
/ˌself ˈsækrɪfaɪs/
🇬🇧
/ˌself ˈsækrɪfaɪs/
When you give up something you want or need to help others.
The firefighter showed great self-sacrifice by running into the burning building to save the family.
消防士は燃え上がる建物に走り込み、家族を救うために多大な自己犠牲を示しました。