The most common and most likely answer to this crossword clue is the 6 letter word DANIEL
I've seen this crossword clue in The Times
D
A
N
I
E
L
More clues leading to the result DANIEL
- Biblical character in deal that's dodgy
- Book that might be written by Defoe?
- Judge‘s drawn Nigella oddly
- Guide round home, a turn up for the book
- Book deal in trouble
- Lion-tamer is an idle outcast
- Book up a little table in a diner
- He takes lead in play
- Judge in province in forefront after uprising
- Wise judge misled by denial
Buddy explains!

The straight part
We know that "Biblical character" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case biblical character = daniel.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.