IPA: /ˈpɔːnər/
KK: /ˈpɔːnər/
A person who gives an item to a pawnbroker in exchange for money, with the item held as collateral until the money is repaid.
The pawner left his watch at the shop to get some quick cash.
Pawner → It is formed from "pawn" (from Old French *pan, pawn*, meaning a pledge or security) and "-er" (meaning a person who). A pawner is a person who gives something as a pledge or security for a loan.
Think of someone who gives a 'pledge' ('pawn') to secure a loan — that's why a pawner is a person who does this.