Bearers of gifts may be somewhat unimaginative (4)
I believe the answer is:
magi
'bearers of gifts' is the definition.
(the Magi brought gifts to Jesus)
'somewhat unimaginative' is the wordplay.
'somewhat' indicates a hidden word.
'MAGI' can be found hidden inside 'unimaginative'.
'may be' acts as a link.
(Other definitions for magi that I've seen before include "The Three Kings" , "Wise men, visitors to Bethlehem" , "Travellers in NT" , "Wise men who were guided by a star" , "members of priestly caste" .)