He is a scholar the wants you to investigate a tumerok that was altered by Aerbax in order to determine if it will be a threat or not.
Lore & Dialog
Nomea ibn Makar tells you, "Ah, you may be suitable for the task I have at hand. We've received reports that the Virindi renegade Aerbax has endowed a Hea Tumerok with increased intelligence and magical power. You can only imagine what danger this creature would pose if it came to unite the Tumeroks, the way Aerbax's other experiments have tried, yes?"
Nomea ibn Makar tells you, "Please venture to the Lonely Fortress on the western edge of Dereth, north of Ayan Baqur, and see to it that this Tumerok poses us no threat."