Good queen following sailor a convent superior? (6)
I believe the answer is:
abbess
'a convent superior?' is the definition.
(I've seen this before)
'good queen following sailor' is the wordplay.
'good queen' becomes 'bess' (Good Queen Bess was a nickname of Elizabeth I).
'following' means one lot of letters go next to another.
'sailor' becomes 'ab' (abbreviation for able seaman).
'bess' after 'ab' is 'ABBESS'.
(Other definitions for abbess that I've seen before include "Head of convent" , "superior to her sisters!" , "Mother superior" , "Female superior" , "Nuns' leader" .)