A merchant or trader; someone engaged in commerce or operating a shop.
昔、この町には多くの商人が集まっていた。
In the past, many merchants gathered in this town.
彼は独立して小さな商人として店を開いた。
He became independent and opened a small shop as a merchant.
商人としての経験が価格交渉に役立った。
His experience as a merchant helped with price negotiations.