下士

lowest-ranked noncommissioned officer (e.g. corporal in the army or petty officer, third class in the navy)

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action

member of the senior ministerial class (old) / scholar (old) / bachelor / honorific / soldier / noncommissioned officer / specialist worker