Soldiers’ dining area with new Greens have envoys (10)

I believe the answer is:

messengers

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'envoys' is the definition.
The answer and definition can be both people as well as being plural nouns.
Perhaps you can see a link between them that I don't see?

'soldiers' dining area with new greens' is the wordplay.
'soldiers' dining area' becomes 'mess' (I can't explain this - if you can you should believe this answer much more).
'with' means one lot of letters goes inside another.
'new' is an anagram indicator.
'greens' anagrammed gives 'senger'.
'mess' placed around 'senger' is 'MESSENGERS'.

'have' acts as a link.

Can you help me to learn more?

(Another definition for messengers that I've seen is " Bringers of news".)

I've seen this clue in the Sydney Morning Herald.

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