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.
At work, he plays the persona of a perfect leader.
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.
マーケティングチームはターゲット顧客のペルソナを設定した。
The marketing team defined a persona for their target customer.
She carefully maintains her persona as a writer.
ペルソナ describes a psychological or marketing persona one presents to others, whereas アバター specifically denotes a visual character used online.
素顔 means one's true, unadorned self or face, the opposite of the constructed social image conveyed by ペルソナ.
Borrowed from Latin 'persōna', originally meaning 'mask' or 'character in a play', via English 'persona'. The term entered Japanese as a loanword in psychological and literary contexts.