counterpart
Meaning 1:
A counterpart is someone who is very similar to you. For example, if you have a best friend who is a girl, your best friend's counterpart could be a boy who is also her best friend.
Other Words
A counterpart is someone who is very similar to you. For example, if you have a best friend who is a girl, your best friend's counterpart could be a boy who is also her best friend.