Sentence:  The artillerymen concentrated on directing, loading and firing the guns, the remaining simpler functions being performed by the <WSD>Handlanger</WSD>. The No. 1 gunner inserted the charge and shot into the muzzle, No. 2 (a <WSD>Handlanger</WSD>) rammed it home and cleared the barrel with the sponge after firing. The chief gunner was No. 3, the Vormeister (gun commander) who was often a Bombardier, as were many Korporals. ... [H]e would also direct No. 5; the <WSD>Handlanger</WSD> holding the traversing spar and the <WSD>Handlanger</WSD> moving the gun. 
Meaning of the word marked with <WSD> tags:  A low-ranking artillery soldier in the (Austro-Hungarian Army).