The most common and most likely answer to this crossword clue is the 7 plus 6 letter word MARTIAL ARTIST
M
A
R
T
I
A
L
A
R
T
I
S
T
More clues leading to the result MARTIAL ARTIST
Buddy explains!
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.