"Buffalo soldier, dreadlock ___": Bob Marley (5)
I believe the answer is:
rasta
(Other definitions for rasta that I've seen before include "Dreadlocked follower of Haile Selassie" , "Dreadlocked devotee" , "Jamaican cult member" , "Believer with dreadlocks" , "Member of a religious movement with Jamaican origins" .)