Dreaming that someone will pay you back is an ominous sign, which indicates that the dreamer will suffer losses in money and have a financial disaster.
Dreaming that you are paying debts to others indicates good luck and a bright future.
Dreaming that someone will pay me back means that not only can I not get the money, but I may also have a small loss.
Dreaming of my friend paying me back indicates good luck and a bright future, and also implies that there are problems in interpersonal relationships because of property.