merchant; trader; a person engaged in commerce (often implying shrewdness in business)
あの町には古くからの商売人が多く住んでいる。
Many long-established merchants live in that town.
彼は腕の良い商売人として知られている。
He is known as a skilled businessman.
商売人は常に利益とリスクを考える必要がある。
Merchants must always consider profit and risk.
an expert or professional in a trade or craft; someone adept at a particular line of work
彼は不動産の商売人として長年の経験がある。
He has many years of experience as a professional in real estate.
この仕事は腕のある商売人に任せたほうがいい。
It's better to entrust this job to someone skilled in the trade.
(colloquial/old-fashioned) a woman working in the nightlife/entertainment trades (e.g., hostess, geisha) — usage can be dated or carry negative connotations
昔は商売人と言えば、夜の繁華街で働く女性を指すこともあった。
In the past, '商売人' was sometimes used to refer to women working in the nightlife districts.
その店の商売人はお客との話し方がとても上手だ。
The hostess at that place is very good at talking with customers.