opposite number, one's

One's counterpart, as in He's my opposite number in the California office. This expression is generally used for a person's equivalent in another organization or system ( number alluding to their position in a hierarchy). [c. 1900]

Common Names:

Name	Pronounced	Usage
Stefanu	-	Old Church Slavic
Erwan	-	Breton
Otokar	-	Czech
Jacobson	['dʒeikəbsn]
Askin	['æskin]
Zhivka	-	Bulgarian, Macedonian