Русско-англо-русский юридический словарь

A co-borrower is someone in addition to the primary borrower who accepts responsibility for repaying a debt. However, the co-borrower typically does not directly benefit from the loan. A co-borrower may also be referred to as a co-signer, co-applicant. A co-borrower is often used when the primary borrower doesn't meet elgibility requirements for a loan, such as a poor credit record or insufficient income. A co-borrower's obligations are the same as those of the primary borrower. If the primary borrower does not repay the loan, the co-borrower accepts responsibility for repaying. (definitions.uslegal.com)

debt burden – the amount of debt that a particular country etc has, considered as a burden on its economy and people and a hindrance to their progress. A debt burden is a large amount of money that one country or organization owes to another and which they find very difficult to repay. (collinsdictionary.com)

Debt bondage (also known as debt slavery or bonded labor) is a person's pledge of their labor or services as security for the repayment for a debt or other obligation. The services required to repay the debt may be undefined, and the services' duration may be undefined. Debt bondage can be passed on from generation to generation. (Wikipedia)

It is from communities like this that people are liable to be drawn into a system known as bonded labour. Typically a broker finds someone a job and charges a fee that they will repay by working - but their wages are so low that it takes years, or even a whole lifetime. Meanwhile, violence keeps them in line. (BBC News)