Predict warning given to guy who targeted Apple (8)
I believe the answer is:
foretell
'predict warning given to guy who targeted apple' is the definition.
'foretell' can be an answer for 'predict' (I've seen this in another clue). I'm not certain of the remainder of the definition.
'predict warning given to' is the wordplay.
'predict' becomes 'tell' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'warning' becomes 'fore' (used to warn of airborne balls on a golf course).
'given to' means one lot of letters go next to another.
'tell' put after 'fore' is 'FORETELL'.
Can you help me to learn more?
(Other definitions for foretell that I've seen before include "Prognosticate" , "Divine" , "Herald" , "Foreshadow or presage" , "supporting English archer" .)