Reaver (Firefly)

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Reavers are a fictional group of humans in the television series Firefly and subsequent film Serenity who live on the fringes of civilized space and have become animalistic. Within most of the timeline of the series and movie, the existence of Reavers is officially denied by the Alliance, the ruling government of humanity in the Firefly franchise, but they are a harsh reality around the outer planets.

The Reavers are mentioned several times during the course of the television show. A Reaver ship is seen in the pilot episode, and the episode "Bushwacked" shows someone who was exposed to the Reavers’ madness and starts to mimic them. The movie Serenity featured Reavers and reveals their origin.