a person who comes from a foreign country; someone who does not owe allegiance to your country; alien, noncitizen, outlander
someone who is excluded from or is not a member of a group; outsider
Bloomberg Financial Glossary
All institutions and individuals living outside the United States, including US citizens living abroad, and branches, subsidiaries, and other affiliates abroad of US banks and business concerns; also central governments, central banks, and other official institutions of countries other than the United States, and international and regional organizations, wherever located. Also refers to persons in the United States to the extent that they are known by reporting institutions to be acting for foreigners.