The most common and most likely answer to this crossword clue is the 11 letter word AUTOGRAPHED
I've seen this crossword clue in Financial Times
A
U
T
O
G
R
A
P
H
E
D
Buddy explains!
The straight part
We know that "Gave hunter a X" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case gave hunter a x = autographed.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.
What does AUTOGRAPHED mean?
AUTOGRAPHED verb- To sign, or write one’s name or signature on a book etc
- To write something in one's own handwriting