One who owes another anything, or is under obligation, arising from express agreement, implication of law, or principles of natural justice, to pay money or to fulfill some other obligation; in bankruptcy or similar proceedings, the person who is the subject of the proceeding.
A person or firm that owes money; one in debt; one who owes a debt.
One who gives or causes offense, or does something wrong.
A person who commits an offense against the law, a lawbreaker.