The most common and most likely answer to this crossword clue is the 10 letter word PHILISTINE
I've seen this crossword clue in The Daily Telegraph
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More clues leading to the result PHILISTINE
- Uncultivated Greek character given inventory in English
- Woman on telephone by river, say — an uncultured type
- Greek character first in queue sees barbarian
- Greek character first in queue as barbarian
- Greek character, first to get into row, a barbarian!
- Unrefined report of horses current in north-east
- No artist makes high table in softwood
- Like Goliath, Matilda’s good for Spooner
- Little fellow with one stone in battle ultimately accounting for him?
- I sit in and help out someone far from intellectual
Buddy explains!

The straight part
We know that "Little fellow with one stone in battle ultimately accounting for him" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case little fellow with one stone in battle ultimately accounting for him = philistine.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 PHILISTINE mean?
PHILISTINE noun- A person who is ignorant or uneducated; specifically, a person who lacks appreciation of or is antagonistic towards art or culture, and who has pedestrian tastes.
- Ignorant or uneducated; specifically, lacking appreciation for or antagonistic towards art or culture, and having pedestrian tastes.