Classes of world of warcraft.

Shaman

Hunter

Mage

Druid

Warlock

Death Knight

Paladin

A paladin is a warrior that follows a holy cause. The paladin fights for what ever she thinks is right, and the holy cause dont have to be of religious nature. But it have to be important to the paladin.

Alliance paladins often follows the light. The mainstream religion of the population of Eastern Kingdoms and it's colonies in kalimdor.

The horde side paladin is only from blood elfs that have the order as a tradition but the holy cause in not defined.

Paladins