He is apparently part of the Captain K'rank's Errands quest, but is not listed anywhere in the page. Please edit this page if you encounter this NPC for their intended purpose.
Lore & Dialog
Coman ibn Rashid tells you, "I have been sent by High Queen Elysa to reward those who have assisted Captain K'rank of Linvak Tukal. If you have proof of this assistance give it to me and I will see that you are rewarded."
You give Coman ibn Rashid Morgluuk's Flesh.
Coman ibn Rashid tells you, "Filthy creatures these Burun. As promised you are to be rewarded for your efforts."
Coman ibn Rashid gives you Portal Gem.
Coman ibn Rashid gives you Reward Key.
Coman ibn Rashid tells you, "The key will open whichever chest you choose in that room. Each chest should clearly display what it holds."
You've earned 1,500,000 experience.
Coman ibn Rashid says, "That is all that I have to give. Thank you again for your efforts, [Player Name]."