Novelist's advocate (5)
I believe the answer is:
agent
(Other definitions for agent that I've seen before include "One may be working" , "who can act?" , "Bond, e.g." , "Factor, spy" , "Spy; service provider" .)
I believe the answer is:
agent
(Other definitions for agent that I've seen before include "One may be working" , "who can act?" , "Bond, e.g." , "Factor, spy" , "Spy; service provider" .)