Follower of John Wycliffe (7)
I believe the answer is:
lollard
'follower of john wycliffe' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for lollard that I've seen before include "Follower of John Wycliffe" , "Follower of John Wyclif" , "Wycliffite" , "religious reformer" , "Radical Christian" .)