Related Clues:

• Dealer's customer
• One getting a manual
• Classroom favorite
• Something to write with
• Endorser's need
• Animal friend
• Cob's mate
• Lady swan
• Parrot or parakeet, perhaps
• Live-in animal
• Quill, once
• Highlighter, essentially
• Product endorser, hopefully
• One with a password, perhaps
• Fido or Fluffy?