Such fellows may merely figure to lie around (4)
I believe the answer is:
idle
'lie around' is the definition.
(thesaurus)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for idle that I've seen before include "Not occupied" , "Inactive - lied (anag)" , "Not in active use" , "Dormant" , "Without work" .)