someone
US /ˈsʌm.wʌn/
UK /ˈsʌm.wʌn/

1.
an unspecified person; some person
:
•
Someone left the door open.
•
I heard someone knocking at the window.
1.
a person of importance or distinction
:
•
He thinks he's really someone since he got that promotion.
•
To be someone in this industry, you need to work hard.