Governors

If you own a settlement, you can assign a companion or family member as governor. Governors grant significant bonuses to the settlement according to their skills and perks. Governors will usually choose perks depending on their personality, so a rigidly incorruptible but harsh governor might yield different results than someone more likely to return a favor to an old friend, even if it means turning a blind eye to wrongdoing. You can try assigning different people as governor in town management window and see how various stats change.