Luke Blacket was a Grayson citizen and an officer of the Grayson Army. He was assigned to the Harrington Steadholder's Guard as senior armsman of James Harrington, the younger brother of Steadholder Honor Harrington. Allison Chou Harrington considered him to be a soft-spoken, unfailingly courteous, and helpful man, who was genuinely attached to James. (HH9)