noun
persona
Refers to the social role or character that a person presents to the world, often used in psychology, literature, and discussions of identity.
from Latin
彼は仕事中は真面目なペルソナを演じている。
He plays a serious persona at work.
SNSでは、現実とは違うペルソナを作りがちだ。
On social media, people tend to create a persona different from reality.