social obligation

noun
UK /ˈsəʊ.ʃəl ˌɒb.lɪˈɡeɪ.ʃən/
US /ˈsoʊ.ʃəl ˌɑː.blɪˈɡeɪ.ʃən/

A social obligation is something you should do because it is polite or fair to other people.

Going to your friend's birthday party is a social obligation.


OTHER MEANINGS

2. A duty you have because of your job or role in a group.

The teacher felt a social obligation to help the new student.

3. Something you promised to do for friends or family.

He kept his social obligation and visited his grandmother.

4. A rule in a group about how people should act toward each other.

Saying thank you is a simple social obligation.