As a Noun:
1. Something that you have borrowed from someone, especially money, which you have not yet paid back. English = debt.
As a Verb or Adjective:
1. To have borrowed something, especially money, from someone and to have not yet paid it back. English = owe, (be) in debt.
1. Used alone to remind or order your addressee to repay something that they owe you, or to give you something that they are obliged to give you. English = 'Cough up!', 'You owe me!', 'Where's the X you owe me?!' and so on.