When to use social outsider in Korean
Korean: 아싸[ a-ssa ]

When to use it
아싸 is slang for a person who is outside the social group, often someone who does not join others much. Young people use it to talk about being alone or not fitting in at school, in clubs, or in other groups. It can sound a little negative, so use it carefully.
Example sentences
학교에서 나는 아싸예요.
I am a social outsider at school.
새 반에 와서 아직 아싸 같아요.
I still feel like a social outsider in my new class.
민수는 아싸라서 점심을 혼자 먹어요.
Min-su is a social outsider, so he eats lunch alone.
가족 모임에서 저는 아싸였어요.
I was a social outsider at the family gathering.
친구들이 같이 쇼핑할 때 저는 아싸 같았어요.
I felt like a social outsider when my friends shopped together.
여행 모임에서 저는 아싸였어요.
I was a social outsider in the travel group.