The most common and most likely answer to this crossword clue is the 7 letter word KIBBUTZ
I've seen this crossword clue in The Daily Telegraph
K
I
B
B
U
T
Z
Buddy explains!

The straight part
We know that "One promotes growth in the Middle East" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one promotes growth in the middle east = kibbutz.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 KIBBUTZ mean?
KIBBUTZ noun- A community, usually an agricultural one in Israel, based on a high level of social and economical sharing, equality, direct democracy and tight social relations.