In her work each day, a courageous young woman often encounters cobras, vipers, stingrays, barracudas, eagles, cougars, impalas, rams, spiders, beetles, and on rare occasions, a panther. This woman has no fear of any of these as she walks around in the midst of them, never carrying a gun or a whip, and without being protected from them by iron bars or safety barriers of any kind. What is the occupation of this brave, young woman, and why does she have no fear when performing her job? -Riddles