The Courage of the Return of the Battle

They were confused at the onslaught of the battle and slowly but surely they just decided to leave even though they at the end realize the process in his life remember with a busafian's conversation that finally are blurted out that all three of them are alive or when i come back and we're gonna get you still. They decided to regroup and basically to return to uh... makka however on the way back when they're still short distance from the dina they began debating amongst themselves what should be done. So as soon as they return to medina he makes an announcement that  we need another contingent to go and make sure they don't return who will volunteer? Only those