Government and Politics
The U.S. government needs a lot of workers to provide its many services. Federal workers carry out key government functions. For example, federal workers ensure food safety, investigate criminal activity, provide emergency care, and develop science and technology. Their work affects millions of people.
For more information: https://www.bls.gov/careeroutlook/2014/article/federal-work-part-1.htm
Ambassadors are high-ranking diplomats appointed by a country to represent its interests, foster diplomatic relations, and serve as a liaison between their home country and the host country.