Opportunist

From publisher blurb:

The Opportunist is a new hybrid class of the barbarian and rogue designed for use with the Pathfinder Roleplaying Game. It is a melee combat class that draws upon unerring accuracy and almost preternatural foresight to capitalize on your opponents’ wrong moves, and deal catastrophic damage.

Take advantage of dozens of new talents, feats, archetypes, and spells including: Give a little to get a little, tireless overload, and bareknuckle master.