The most common and most likely answer to this crossword clue is the 7 letter word ROBBING
R
O
B
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More clues leading to the result ROBBING
Buddy explains!

The straight part
We know that "stealing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case stealing = robbing.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 ROBBING mean?
ROBBING verb- To steal from, especially using force or violence.
- To deprive of, or withhold from, unjustly or injuriously; to defraud.
- (used with "of") To deprive (of).
- To burgle.
- To steal.
- To commit robbery.
- To take possession of the ball, puck etc. from.
- Robbery