The term 'Direction Sailor' refers to a sailor who is responsible for navigating a vessel. The crossword solutions LEFT (4 letters), EAST (4 letters), AFT (3 letters), and STIR (4 letters) are all directions that a sailor may use to navigate a vessel. LEFT and EAST refer to the cardinal directions, while AFT and STIR refer to the AFT and stern of the vessel, respectively. A Direction Sailor must be knowledgeable in all of these directions in order to successfully navigate a vessel.