Derrick is the shadowy head of Greenwater a group of established mercenaries who used to work for the Gerard regime. Their role under an elder brother of Derrick’s who died, still is yet undiscovered in the public realm.
Derrick was earlier on known to be a bully and had done fratboy style hazing on different younger family. One of the most public of his victims was Magnus who later, exacted a ferocious revenge in public for his earlier humiliation.
Derrick was alleged to have been very friendly with Niamh in Port Royal prior to the Dealunde Succession Crisis.