The most common and most likely answer to this crossword clue is the 6 letter word SLAVER
I've seen this crossword clue in The Daily Telegraph
S
L
A
V
E
R
Buddy explains!

The straight part
We know that "Exploitative type/drivel" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case exploitative type/drivel = slaver.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 SLAVER mean?
SLAVER noun- Saliva running from the mouth; drool.
- To drool saliva from the mouth; to slobber.
- To fawn.
- To smear with saliva issuing from the mouth.
- To be besmeared with saliva.
- A person engaged in the slave trade.
- A white slaver, who sells prostitutes into illegal 'sex slavery'.
- A ship used to transport slaves.