A Merchant - A Merchant is someone who depends on one thing so much it’s

A Merchant is someone who depends on one thing so much it’s like they're glued to it.

"He only buys wine and cigars because he's a Merchant. He doesn't even know how to cook.", @WineMan78

"She only uses that one trade ship because she's a Merchant. The rest are just for show.", @TradeMaster2023

"He's stuck on his party list. If he can't get into the party, he's lost.", @PartyListFail"