All Scoundrels learn how to move stealthily—sneaking past or surprising enemies—and various close-quarters fighting techniques that do damage at short range and prevent an enemy from fleeing.
The Best (& Worst) Class Stories in Star Wars: The Old Republic
The Debilitator set bonus is a great choice for PvP content, as it gives your Exfiltrate a shorter cooldown and grants you two charges to your Debilitate a stun ability.