Who is Lower Class Delinquents from The Theory of the Leisure Class and what is their importance?

The lower class delinquents are seen to share some predatory tendencies with the leisure class. They have the same fighting spirit. This is evident in some of their exhibited behavior, such as carrying a walking stick and their participation in sports. They have the same belief in the unseen hand that guides activities and they also have the same inclination toward the practice of devout observances.