Roles refer to the player character's roles. In a party of players, you would be playing one of the following roles:
Defender / TankEdit
The main characterstic of the Defender is their toughness. A Defender is able to take a lot of damage from enemies and able to hold the line. Defenders focus on blocking enemy attacks and focus their attacks on said attackers. Defender classes are typically focused on melee combat, however some classes, such as Swordmages, also have ranged combat capabilities.
The Defender classes confirmed in the game are: Guardian Fighter (June 2012)
Controller / SupporterEdit
Controllers focus on affecting multiple targets at once, either by damaging or debuffing them, or by altering the battlefield's terrain. Some classes, such as Wizards and Invokers, are focused towards ranged combat, while Druids can specialize in ranged or melee combat alike.
The Controller classes confirmed in the game are: Control Wizard (June 2012)
Leader / SupporterEdit
Leaders are focused on buffing and healing allies. Some Leader classes and builds are focused towards either melee or ranged combat, the role as a whole is not however.
The Leader classes confirmed in the game are: Devoted Cleric (June 2012)
Striker / DPSEdit
Strikers are focused on mobility, dealing heavy damage to single targets and avoiding attacks. Some Striker classes and builds are focused towards either melee or ranged combat, the role as a whole is not however.
The Striker classes confirmed in the game are: Rogue and Great Weapon Fighter '(June 2012)
Character Class and RoleEdit
Each Class has one primary Role. They also have have one or more secondary Roles however.