There really are very few jobs that are as soul-draining, and where you are treated as poorly, as retail. Even if that list is short, one job that might just manage to qualify is that of a retail security guard. It's even more thankless, and more looked down upon than retail itself; sure, you don't have to complete the same repetitive tasks as the retail workers do, but that repetitiveness is usually replaced with nothing. Nothing, that is, except the increased abuse from both clientele and ret…