Sadly the devs have made it so scoundrels are basically useless unless they are a healer. If you have one not as a healer, make them the off-point guard/ninja capper. Sadly, a shadow usually does it better. As much as I hate to say it some people have to be left behind for a good team.
It's not the size of the saber that counts... It's how ya control your surroundings and scream bloody murder for one or more of your team members to get their butts moving to the point hurry he's gonna cap I can only hold them off for so long crap I'm double-CC'd get moving ahhhhhhh!!! ...Okay, we're fine now. Get back to the other point.