They are dignified when others try to humiliate them, restrained when others try to provoke them. But they get things done. They perform acts of sacrificial service with the same modest everyday spirit they would display if they were just getting the groceries. They are not thinking about what impressive work they are doing. They are not thinking about themselves at all. They just seem delighted by the flawed people around them. They just recognize what needs doing and they do it.