term:

Foreign Government Official

foreign government official

As a nonimmigrant class of admission, an alien coming temporarily to the United States who has been accredited by a foreign government to function as an ambassador, public minister, career diplomatic or consular officer, other accredited official, or an attendant, servant or personal employee of an accredited official, and all above aliens' spouses and unmarried minor (or dependent) children.

Source: U.S. Citizenship and Immigration Services