somebody
US /ˈsʌmˌbɑː.di/
UK /ˈsʌmˌbɑː.di/

1.
an unknown or unspecified person; some person
:
•
Somebody left the door open.
•
I heard somebody knocking at the window.
2.
a person of importance or high standing
:
•
He thinks he's somebody now that he's rich.
•
She wants to be somebody in the fashion industry.