A security guard of the private security company CORTAC takes position during a call in a gated community on his night shift in Johannesburg, on February 17, 2021. - South Africa has one of the world's largest private security industries, employing more personnel than the police, according to the national Private Security Industry Regulatory Authority. The sector creates work for more than two million people in a country where unemployment stands over 30 percent. (Photo by Michele Spatari / AFP)