1) Amender 2) Editor 1) Copy editor 2) Editor 3) Editor in chief 4) Text editor 
A person who checks typeset proofs and/or computer printouts to detect errors such as spelling mistakes and bad punctuation before the final printing of a publication. Also called a proof reader.
an editor concerned with the preparation of copy for the typesetter and printer. · Also calleda person who edits copy and writes headlines for a newspaper. Cf. copy editor (def. 3).