Drum Fel is a level 30 Orc quest giver located in Hammerfall in the contested territory of Arathi Highlands. He was once one of Thrall's guards but retired and headed to Arathi Highlands. According to the quest [40] The Real Threat he is married to Korin Fel.
He starts the following quests:
[32] Call to Arms
[38] Call to Arms
[40] Call to Arms
See List of Arathi Highlands NPCs.