A person who is not wholesome, honest, or trustworthy.
Used other than figuratively or idiomatically: see black, sheep.
A worker who refuses to strike; a scab.
A nonconformist; an unusual or unconventional person, who may be rejected or disdained by others for this reason.
A person or firm that owes money; one in debt; one who owes a debt.
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.