Help someone intolerant of idiots? (6)
I believe the answer is:
assist
'help' is the definition.
(to assist someone is to help them)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for assist that I've seen before include "Aid, abet" , "Help to make" , "Help, lend a hand" , "Work as a subordinate" , "Work with N help" .)