libero
Libero is an Italian term meaning free or unrestricted, used in several sports and contexts to denote a specialized role or freedom of action. In volleyball, the libero is a designated defensive specialist intended to improve ball control in reception and defense. The position was introduced by the FIVB in 1998. The libero wears a jersey of a different color and is restricted to back-row play; they can replace any back-row player without counting toward the team’s substitution limit and can do so multiple times in a set. A libero cannot serve, cannot block, and cannot complete an attack hit from the front zone when the ball is above net height. The role emphasizes passing, digging, and serve reception, and teams use the libero to stabilize defense and improve transition play.
In football (soccer), the term libero, or sweeper, refers to a central defender who played behind the
Etymologically, libero simply means free in Italian, a concept that has carried into various sports and contexts