A proofreader is a person who reads through written material to identify and correct errors in grammar, spelling, punctuation, and formatting. The job of a proofreader is often done by an EDITOR, which is a six-letter word that can be used to solve the crossword puzzle. An EDITOR is someone who reviews and revises written material before it is published or distributed. They are responsible for ensuring that the content is accurate, clear, and consistent with the publication's standards.