Biblical character in deal that's dodgy (6)
I believe the answer is:
daniel
'biblical character' is the definition.
(Old Testament prophet)
'in deal that's dodgy' is the wordplay.
'that's dodgy' is an anagram indicator.
'in'+'deal'='indeal'
'indeal' with letters rearranged gives 'DANIEL'.
(Other definitions for daniel that I've seen before include "Biblical prophet thrown into the lion's den" , "-- Barenboim, -- Boone" , "He interpreted Belshazzar's fate" , "Hebrew prophet saved from the lions' den" , "Hebrew prophet rescued from lion's den" .)