Rahn

Theoretically, rahn is a contract that makes something as a guarantee to the completion of settlement of a debt.

Usually

the collateral is asked by the creditor to the debtor during the commencement of the contract to avoid default from the debtor of not paying the debt.

‘Rahn’ is refer to the object that was pawned to ensure a debt. 

Pawning or mortgage contract define as holding an item in lieu of legal right that may be satisfied from that item. Or the contract involves holding valuable non-fungible goods as insurance against a part thereof. 

Literally: - the Arabic term ‘Rahn’ may refer either to constancy, or to holding and bindingness. 

Research