The Imperial Knights are the military branch of the Gray Jedi. They are front line elite soldiers that can lead charges and slaughter hundreds of troops with force and blade. The "Guardian/Marauder" class of the Gray Jedi. Choose this class if you like fighting. They are led by the Imperial Commander.
The "special operations" branch of the Gray Jedi. The Jensaarai operatives will rely on stealth and trickery to accomplish their goals. Common uses for this branch are assassination and espionage. Choose this class if you like stealth, but be warned, there is no extensive combat training, so you will be unable to cut through hundreds of troops. You must rely on your wits to accomplish the mission with minimum bloodshed. The "Sentinel/Assassin" class of the Gray Jedi. Their leader is the Saarai-kaar.
The "tactical" branch of the Gray Jedi. The Voss Mystics rely on the force to predict enemy troop movements and they can plan accordingly. They work in conjunction with the Imperial Knights in open conflict. They are the "Consulars/Lords" of the Gray Jedi, and as such rely on the force to perform the most damage. Choose this class if you want to create tactics in times of conflict. The Voss are led by the Voss Seer.
These branches will only apply if the Gray Jedi are ever at war with other groups. There will be a head of each branch, and they will be in charge of providing their subordinates with instructions. I lead the Jensaarai, and anyone who joins with that branch will be under my command. The Voss Mystics are led by ÐRΣÄÐNÄUGHT90k. The Imperial Knights are commanded by KamikazeSniper.