お兄さん

Noun

 * 1)  elder brother
 * 2) you, he, him (a non-aged male stranger)
 * 1) you, he, him (a non-aged male stranger)

Usage notes
Japanese people tend to use 兄 (ani) when referring to their own elder brother. Japanese children tend to use お兄ちゃん (onii-chan) or 兄ちゃん (nii-chan) when referring to their elder brother.
 * お兄さん is a polite word, mostly used in a talking about a person's elder brother.

Related terms

 * : elder sister (polite)
 * : elder sister
 * : younger sister (polite)
 * : younger sister