Currently there are three light side classes that have been confirmed for SWTOR ( see SWTOR article) the classes being the smuggler, trooper and Jedi(all suck) Here I describe the classes that have been confirmed for the light side on SWTOR.
In the game SWTOR the smuggler class is a lightly armed ranged class for light side players they have been confirmed to use a cover mechanic while shooting, their powers change depending if they are in cover or not. Very little is known about the smuggler storyline except that they begin on the planet of Ord Mantell.
In SWTOR the trooper is a very heavily armed and armored class for light side players that, unlike the smuggler, relies on armor and big guns to take down enemies. Little is known about the trooper storyline except that they begin on Ord Mantell like the smuggler.
The Jedi class differs very much from the other classes in that he is a melee class that uses hand to hand lightsaber weapons and is proficient in using the force to destroy enemies.
Is a class that serves the great blinding light, this class channels the force and uses its power to destroy enemies.