During the time of the old Republic a child was born from forbidden love affair. Between a Jedi knight and Sith Warrior. A Sith warrior was sent to kill the Jedi knight. But when it came time to kill the knight. The warrior couldn't do it. The Sith spent years chasing the Jedi. Same for the Jedi. They no longer hated each other. But found love instead. So the Sith left the order and the Jedi was kicked out of the Jedi order.
K'Var was born. A Sith mother and a Jedi father. The Force was strong in K'Var. So his mother was teaching him ways of the Sith. While his father was teaching the ways of the Jedi.
But K'Var never joined either side. At the age 16 he parents got him a ship for his birthday. So he started to live the life of a smuggler and bounty hunter. While still trying to help those need of a hero.