Drawer returned for remuneration (6)
I believe the answer is:
Here is my best explanation:
'remuneration' is the definition.
'drawer returned' is the subsidiary indication.
'returned' says the letters should be written in reverse.
'drawer' reversed gives 'reward'.
'for' is the link.
(Other definitions for reward that I've seen before include "Wage", "Profit, return", "Deserved prize", "Gift given to show appreciation of a good deed", "Present given to mark service or good deed", "Earned prize", "Remunerate", "Show appreciation of", "Prize; pay-off" and "Money offered for services".)