The most common and most likely answer to this crossword clue is the 8 letter word FAUSTIAN
F
A
U
S
T
I
A
N
More clues leading to the result FAUSTIAN
- Fellow runs away from European prepared to sell his soul
- Like seeker of knowledge producing coarse material, penning article
- Corruptible footballers playing as unit
- Coarse stuff about one selling his soul
- Like a reckless bargain-hunter given Armani top in moleskin or the like
- Crazy aunt, as if like a friend of the Devil?
Buddy explains!

The straight part
We know that "Corruptible" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case corruptible = faustian.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.