Faction Agent (Zhentarim)
Archer was a poor child living in the slums of Mulmaster. He had a number of siblings and parents who were busy working. He grew to hate his life and ran away as a young teen, believing he could take care of himself. He did for a while, getting by on thievery.
His thin luck ran out when he was on the cusp of adulthood and tried to fleece a member of the Zhentarim, who were not happy about this. Awkward as the situation was, he was also pitched the Zhentarim in the process and later joined. The idea of a giant wealthy organisation whose members felt like a family while maintaining autonomy appealed to him, inevitably.
He was never the best at talking, preferring to focus on sneaking and keeping a sharp eye out, so he often worked with others as a lookout. But for all his alertness, he was still grabbed by drow one evening and stored in Velkynvelve.