Those 12 guns are transport guns not cruiser guns. It's armour is also that of a high end transport. Now the Salvager has the armour of a good Gb and six GB turrets, the only thing that points to it being a transport is it's hold.
For the Shire and C-Trans the only thing that suggests it could be anything other than a transport is those 12 turrets.
Saint Del is considered a holy healer of diseases of children, but also as a protector of cattle.