Captain and chef (4)
I believe the answer is:
cook
This clue is a double definition.
'captain' is the first definition.
(captain james cook)
'chef' is the second definition.
(I've seen this before)
'and' is the link.
(Other definitions for cook that I've seen before include "Prepare a hot meal" , "18th-century explorer" , "New England Test captain" , "Prepare food" , "work in the galley?" .)