This is the essence of ribaa

Ruling on buying a mosque with an interest-based loan

Lender referring a third party to debtor for extra money

He wants to bring in a person to take his place in a ribaa-based investment bank account to save himself

Is it permissible to deal with ribaa in a ribaa-based society?

Helping people to buy used cars with ribaa (interest)

Using something which was bought with ribaa

Ruling on taking ribaa from deposit accounts in kaafir banks

Delaying repayment of a bank loan so that they will waive the interest

Counterbalancing one another’s interest in the bank