In order to study, his family owed a lot of debts, and he became a dung carrier.

In order to study, his family incurred a lot of debt, and he came out to work as a manure carrier.Repeated several times in the original sentence.

So, the English translation can be: In order to study, his family incurred a lot of debt, and he came out to work as a manure carrier. (repeated several times as per the original).