means an individual engaged in the performance of a contract made by the Federal Government and not exempted under section 6702(b) of this title, whether negotiated or advertised, the principal purpose of which is to furnish services in the United States;

includes an individual without regard to any contractual relationship alleged to exist between the individual and a contractor or subcontractor; but

does not include an individual employed in a bona fide executive, administrative, or professional capacity, as those terms are defined in part 541 of title 29, Code of Federal Regulations.

includes any State of the United States, the District of Columbia, Puerto Rico, the Virgin Islands, the outer Continental Shelf as defined in the Outer Continental Shelf Lands Act (43 U.S.C. § 1331 et seq.), American Samoa, Guam, Wake Island, and Johnston Island; but

does not include any other territory under the jurisdiction of the United States or any United States base or possession within a foreign country.