Former Cuban leader (6)
I believe the answer is:
castro
'former cuban leader' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for castro that I've seen before include "Actors in Cuba" , "Fidel or Ral" , "Fidel . . . . . .,retired Cuban leader" , "Cuban dictator" , "He's late" .)