In China,the Tang (618 - 907 A.D.) and the Song Dynasties based their bureaucracies on Confucian ideals (960 - 1279 A.D.) as a way of strengthening ethics thus ruling out corruption in civil service. In order to achieve this, every candidate aspiring to a job position in the government had to pass difficult tests on Confucianism.
A muckraker is a journalist who devotes their work to uncovering topics that might be overlooked or ignored by the powers that be. That said, a muckraker is D a writer who exposes unsafe working conditions.
Three dominant personality traits would be extroversion, sensitivity, and compassion.