Côte d'Azur comrades (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
amis
(Other definitions for amis that I've seen before include "Martin --, Eng. author" , "Author of Lucky Jim, d.1995" , "Kingsley, Martin or John" , "Author Kingsley or Martin" , "English writer" .)