From WoWWiki

Thork is a level 42 quest giver located at The Crossroads^{[51, 30]} in the Horde-aligned territory of the Barrens. He leads the defenses in the area.

Thork, is the Crossroad's village leader, an orc who is concerned with defending the town against the quilboar and centaur.^{LoM 29} He is als the ruler of the Horde-controlled portions of the Barrens.^{LoM 27}

He starts the following quests:

•  [12] Disrupt the Attacks
  •  [15] The Disruption Ends
•  [14] Supplies for the Crossroads
•  [19] Report to Kadrak

See List of the Barrens NPCs.