TheDebt Collection are hired by the creditor in order to receive the money and from the Person who has that debt. If you owe the money from the creditor and the creditor has hired the debt collection agency to collect the money from you then you should worry because they have some of the powers. The debt collection agency is working on the behalf of the creditor because the creditor is not able to receive the money from the person who owe the money. It is the responsibility of the collection agency to receive the money by any means.