Servant possibly taking the meal in (6)
I believe the answer is:
menial
'servant' is the definition.
(menial is a kind of servant)
'taking the meal in' is the wordplay.
'taking' becomes 'ni' (I can't explain this - if you can you should believe this answer much more).
'in' is an insertion indicator.
'ni' put within 'meal' is 'MENIAL'.
'possibly' is the link.
Can you help me to learn more?
(Other definitions for menial that I've seen before include "Unskilled, degrading" , "Subservient, lowly" , "Humble - servant" , "Servile, low" , "Domestic servant" .)