Workers in this cluster protect us from crime and other sources of harm like natural disasters. They help us receive fair treatment and seek justice when we’ve been wronged. Some workers also set up and implement security plans. Work environments and educational backgrounds differ in these occupations. Although some workers stay in offices most of the day, others work outdoors. For certain jobs, workers must pass medical exams and demonstrate strength and agility. Some careers may be dangerous and require shift work, sometimes with long hours.