Modifier + 商人
商人 (shāngrén) means "businessman" or "merchant" and is a noun referring to a person engaged in trade or commerce. It is gender-neutral in Chinese and can refer to any person in business. It can be modified by nationality or type, as in 加拿大商人 (Canadian businessman).
那个商人在北京开了三家店。
Nàge shāngrén zài Běijīng kāi le sān jiā diàn.
That businessman opened three stores in Beijing.
他是一个很成功的商人。
Tā shì yī gè hěn chénggōng de shāngrén.
He is a very successful businessman.
这个加拿大商人经常来中国出差。
Zhège Jiānádà shāngrén jīngcháng lái Zhōngguó chūchāi.
This Canadian businessman often comes to China on business trips.