Awful trauma grips English hobbyist (7)
I believe the answer is:
amateur
'hobbyist' is the definition.
(I've seen this in another clue)
'awful trauma grips english' is the wordplay.
'awful' indicates an anagram.
'grips' means one lot of letters goes inside another.
'english' becomes 'e' (abbreviation).
'trauma' with letters rearranged gives 'amatur'.
'amatur' placed around 'e' is 'AMATEUR'.
(Other definitions for amateur that I've seen before include "Unpaid (sports)" , "Layperson" , "Receiving no money" , "he won't get paid" , "inept player" .)