copyist

The museum let these copyists—that was the term for them—store their things there.

Not that you had to be all that clever back then to spot Austen copyists.

To support himself in New York, he served as an assistant and copyist for the composer and critic Virgil Thomson, who paid the young man $20 a week and gave him lessons in orchestration.

It could be a student, imitator, copyist, colleague or competitor.

Either way, I thought it was a work of beauty and genius, especially after getting to study the music up close as I proofread parts of the score for the show’s copyist.