Follower prepared slice with dip (8)
I believe the answer is:
disciple
'follower' is the definition.
(I know that disciple is a type of follower)
'prepared slice with dip' is the wordplay.
'prepared' indicates anagramming the letters.
'with' means one lot of letters go next to another.
'slice' after 'dip' is 'dipslice'.
'dipslice' anagrammed gives 'DISCIPLE'.
(Other definitions for disciple that I've seen before include "Devout follower" , "Student - follower" , "I spliced to get a follower" , "A follower or apostle" , "Adherent who helps to spread the doctrine" .)