a person held in free ward.

A prisoner, esp. a debtor, allowed to live within prison rules (rule, n.1 6a). Also: a prisoner who has been granted a day rule (day rule, n.). Obs…

An inmate appointed to supervise his ward in a prison or workhouse.

U.S. Prison slang. A prisoner entrusted with special duties, typically acting as a messenger for the prison guards. Cf. trusty, n. 1a.

Originally U.S. A prison inmate to whom special privileges or responsibilities are granted for good conduct.

British Prison slang. A prisoner who is permitted a ration of tea each day. Obsolete. rare.

a prisoner who enjoys special privileges; such a prisoner (originally more fully red-band man).

U.S. A prison inmate to whom special privileges or responsibilities are granted for good conduct. Cf. trusty, n. 1b.

slang. A male prisoner who is allowed to leave his cell as a special privilege, esp. in order to perform certain duties.