I worked for several years as a gofer and general dogsbody for a London publishing house.
Recent Examples on the WebFrom 1938 to 1940 Nick Clifford was on Mount Rushmore, first as dogsbody and wood-chopper, then as labourer and winchman.The Economist, 1 Aug. 2019 Charley, who already has a casual job with Del (Steve Buscemi), a local horse trainer, now becomes his full-time dogsbody, or nagsbody—cleaning the stables, driving the truck, or walking Lean on Pete. Rachel Aviv, The New Yorker, 24 Mar. 2018
Word History
Etymology
British naval slang dogsbody pudding made of peas, junior officer