Crossword Genius

Redhead young woman in stupor, needing a third of morphine? (9)

Ross

I believe the answer is:

commissar

I'm a little stuck... Click here to teach me more about this clue!

'redhead' is the definition.
The definition and answer can be both people as well as being singular nouns.
Perhaps there's an association between them I don't understand?

'young woman in stupor needing a third of morphine?' is the wordplay.
'young woman' becomes 'miss' (title for a young woman).
'in' means one lot of letters goes inside another.
'stupor' becomes 'coma' (I've seen this in another clue).
'needing' is a charade indicator (letters next to each other).
'a third of morphine?' becomes 'r' (3rd letter of 'morphine').
'miss' placed within 'coma' is 'commissa'.
'commissa'+'r'='COMMISSAR'

Can you help me to learn more?

(Other definitions for commissar that I've seen before include "Communist official" , "Party official" , "Soviet official" , "USSR official" .)

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