Apt name for a thief (3)
I believe the answer is:
rob
'apt name for a thief' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for rob that I've seen before include "Burgle" , "Nick" , "Steal or purloin" , "Steal from (someone)" , "Take without consent from the owner" .)