Related Clues:

• One looking for trouble, in a way
• Slip spotter
• Editor/geometry teacher
• Member of the math faculty, at times?
• Two academics conceal love for one marking scripts
• Publisher's employee who sorts out some letters?
• One checks document adjusted for page order after third of figures is erased
• A malefactor who atones for making your writing nonsense by permitting the compositor to make it unintelligible
• Text checker
• Principal lecturer ringing old senior lecturer, one who a publisher employs?
• A major role of one type of sub