Man has to steal (3)
I believe the answer is:
rob
This clue is a double definition.
'man' is the first definition.
'to steal' is the second definition.
(I know that rob is a more specific form of the action the theft)
'has' is the link.
(Other definitions for rob that I've seen before include "Nick" , "Thieve" , "Mug, say" , "Steal violently" , "boy's name" .)