Someone descended from Harar or Harod (cf. 2Sa.23.11, 25), first mentioned at 2Sa.23.11
§ Hararite = "mountain dweller"
adj
1) a resident in or descendant of Harar; perhaps only a mountain dweller
2) Agee, a Hararite, one of David's heroes
3) Shammah, the Hararite, one of David's heroes
4) Sharar, the Hararite, the father of Ahiam, one of David's heroes