Overcharge for each ship (7)
I believe the answer is:
clipper
'ship' is the definition.
(I've seen this before)
'overcharge for each' is the wordplay.
'overcharge' becomes 'clip' (I've seen this in another clue).
'for each' becomes 'per' (per person).
'clip'+'per'='CLIPPER'
(Other definitions for clipper that I've seen before include "Fast commercial sailing ship" , "Fast sailing ship of former times" , "Ticket inspector" , "Hairdresser" , "Cutter" .)