Copyist; writer (6)
I believe the answer is:
scribe
I believe this clue is a double definition.
'copyist' is the first definition.
(I know that copyist can be written as scribe)
'writer' is the second definition.
(scribe is a kind of writer)
(Other definitions for scribe that I've seen before include "One writing documents" , "Former document copier" , "One used to copy out documents" , "Document writer" , "Document copier (hist.)" .)