Horror director Roth (3)
I believe the answer is:
eli
'horror director roth' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for eli that I've seen before include "Shiloh priest (Bible)" , "High priest in the Book of Samuel" , "Distort then untruth to get a Biblical character" , "Highest priest at Shiloh" , "- Wallach, US actor" .)