Ben is providing letters for Norwegian writer (5)
I believe the answer is:
ibsen
'writer' is the definition.
(dramatist Henrik Ibsen)
'ben is providing' is the wordplay.
'providing' indicates an anagram.
'ben'+'is'='benis'
'benis' with letters rearranged gives 'IBSEN'.
'letters for norwegian' acts as a link.
This may not be correct. Some or all of it may be part of another bit of the clue.
Can you help me to learn more?
(Other definitions for ibsen that I've seen before include "Dramatist, author of Peer Gynt" , "Author of The Master Builder, d. 1906" , "Norwegian dramatist of 'Hedda Gabler'" , "Noted Norwegian playwright" , "6 24 113 [SCAN-DIN-AVIAN] writer" .)