For people physically present within the territory of the United States of America, a "best American" is anywo who devotes his or her life to service to The People of the United States of America.
For people physically present within the territory of another nation, a "best American" is anywo who devotes his or her life to service to The People of that nation or its culture or religion. For example, an Iranian is a "best American", as used here, if that Iranian devotes his or her life to service to The People of Iran, of Persian culture, or of Islam. For such a person, "best American" only means that the person strives to promote liberty, justice, and economic power for The People, according to the form that those ideals have within that country, culture, or religion.