The most common and most likely answer to this crossword clue is the 6 letter word RASCAL
I've seen this crossword clue in Financial Times
R
A
S
C
A
L
More clues leading to the result RASCAL
- Scoundrel runs half of La Scala? Not entirely
- Contributor to misbehaviour, a scallywag?
- Troublemaker, a scallywag at heart
- Scoundrel in opera scaled walls
- Rogue gunmen’s state
- Tinker, a scallywag, covers it
- Caught by cameras, callous rogue
- Artist’s short name for a villain
- Rogue sailor on junk possibly mixing up his port and starboard?
- RASCAL
Buddy explains!
The straight part
We know that "Contributor to misbehaviour, a scallywag?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case contributor to misbehaviour, a scallywag? = rascal.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.