In this subchapter:
(1) "Enforcement officer" means the attorney general, district attorney, or county attorney.
(2) "Labor organizer" means a person who for a financial consideration solicits membership in a labor union or members for a labor union.
(3) "Labor union" means an incorporated or unincorporated association, group, union, lodge, local, branch, or subordinate organization of a union of working persons organized and existing to protect those persons and to improve their working conditions, wages, or employment relationships, but does not include an organization not commonly regarded as a labor union.