A pawnbroker is an individual or business that offers secured loans to people, with items of personal property used as collateral. The items having been pawned to the broker are themselves called pledges or pawns, or simply the collateral. While many items can be pawned, pawnshops typically accept jewelry, musical instruments, home audio equipment, computers, video game systems, coins, gold, silver, televisions, cameras, power tools, firearms, and other relatively valuable items as collateral.

In lending agreements, collateral is a borrower's pledge of specific property to a lender, to secure repayment of a loan. The collateral serves as a lender's protection against a borrower's default and so can be used to offset the loan if the borrower fails to pay the principal and interest satisfactorily under the terms of the lending agreement.