KEEPER

noun Date: 14th century one that keeps: as, protector , game~ , warden , custodian , curator , any of various devices for keeping something in position, 3. one suitable for or worth keeping: as, a fruit or vegetable that keeps well, a fish large enough to be legally caught and kept, one having genuine or lasting merit , a domestic animal considered with respect to how easy it is to care for , goal~ , an offensive football play in which the quarterback runs with the ball