The most common and most likely answer to this crossword clue is the 7 letter word PEDDLER
I've seen this crossword clue in The Guardian
P
E
D
D
L
E
R
More clues leading to the result PEDDLER
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.
What does PEDDLER mean?
PEDDLER noun- An itinerant seller of small goods.
- A drug dealer.