A government agent is a law enforcement officer who works for the government. The most common abbreviations for this job are FED, NEE, GMAN, NARC, and TMAN. FED stands for Federal Agent, NEE stands for National Enforcement Officer, GMAN stands for Government Man, NARC stands for Narcotics Agent, and TMAN stands for Treasury Agent. These agents are responsible for enforcing laws and regulations, investigating crimes, and apprehending criminals.