green carder

noun2

1. •
   (US) A Mexican citizen who has a green card to work in the United States, especially one who lives in Mexico and commutes across the border.

   • The problem of the green carder is not confined to the border area, or to the green-card commuter. — 1969
2. •
   (US) A United States citizen of Mexican descent who lives in Mexico and commutes across the border.