this is

this person is Harry, this is my cousin, Joan. This is my friend, Robert.

Usage notes: usually used in introducing someone by their name or by their relationship to you

Name	Pronounced	Usage
Seong-Hyeon	sung-hyun	Korean
Ffraid	-	Welsh
Niko	NEE-ko (Finnish)	Finnish, Croatian, Slovene
Andebert	-	Ancient Germanic
Esmaralda	ez-mə-RAHL-də	English (Rare)
Vasilija	-	Serbian, Macedonian