Qual-Kehk is a Diablo II NPC, and is the NPC commander of Harrogath, and the one who hires and resurrects mercenaries. He can be found pacing near the well in the square in the center of town, and his dialogues are military and gruff.
Qual-Kehk gives the second quest in Diablo II Act Five, and the 3 rune reward for completing it.