1) Denizen 2) Dweller 3) Indweller 4) Inhabitant 5) Neighbor 
• (n.) One who dwells on a border, or at the extreme part or confines of a country, region, or tract of land; one who dwells near to a place or region.
Bor'der·er noun One who dwells on a border, or at the extreme part or confines of a country, region, or tract of land; one who dwells near to a place or region. « Borderers of the Caspian. Dyer. » 
[n] - an inhabitant of a border area (especially the border between Scotland and England)
noun an inhabitant of a border area (especially the border between Scotland and England)
a person who dwells on or near the border of a country, region, etc.