Travis Gant is a "crazy ex-Green Beret guy" mentioned by John Connor whom Sarah was seeing before she was sent to Pescadero State Hospital. He and Sarah had a brief romance. He runs "Gant Ranch", where he sells guns.
Behind the Scenes
In an early script draft, Jolanda was Gant's wife and Enrique Salceda was one of his men. He believed Sarah was crazy, until he meets the Terminator. Gant and everyone in his ranch were killed by the T-1000.