subtitler

noun3

1. •
   A person who transcribes or translates subtitles (for an audiovisual work).

   • It was an error introduced by the subtitler, not the screenwriter.
2. •
   A software package that assists in creating subtitles for movies, documentaries, etc.
3. •
   A person who writes subtitles (for a book, newspaper, etc.).

   • The newspaper column's subtitler could not be identified.