rubricator
/ˈrubrəˌkeɪtər/
noun
- A person who adds red letters, headings, or decorations to manuscripts or books.
- In medieval scriptoria, a rubricator was a specialized scribe.
- The museum hired a modern rubricator to restore the faded headings in the old text.
- The rubricator worked by candlelight, adding red initials to each chapter.