noun

a person who is given menial tasks to do, especially a junior in an office.

I got myself a job as typist and general dogsbody on a small magazine

drudge,menial,menial worker,factotum,man of all work,maid of all work,servant,slave,galley slave,lackey,underling,minion,gofer,running dog,runner,man/girl Friday,skivvy,peon,scullion,servitor