I've finished the description and demeanor sections, and added the major points of his background in. They're a bit vague, but cover a range of relationships with a handful of individuals and organizations, upbringing that motivates his approach to problems, and offer a metric butt-load of potential hooks and opportunity for overlap. Could use feedback on what, if anything, doesn't fit the setting.
With early childhood in an unspecified location (maybe the unnamed area west of the Harran, or the Pell), middle childhood constantly traveling, and a relocation to Ithos, I'm not sure which regional language to give him.