The photographer has acknowledged a/his 'debt' to Andy Warhol. [=the photographer has said that his work was influenced by the photographs made by Andy Warhol]
banks with millions of dollars of 'bad debt' [=banks that have loaned millions of dollars that will not be repaid]
She's finally paid off her mortgage 'debt'. [=the money that she owed the bank to pay for her house]
(..) Your father's daughter, indeed. Give me a fortnight. Stay in King's Landing as my honored guest. And when you return to Braavos, I swear to you, my debt will be paid in full. I came down here to brood over my failure to predict the Greyjoy attack. You're making it difficult. You look a lot better (..)2017 TvShow: Game of Thrones Title: The Queen's Justice Season: 7 Episode 3