Supporter for the woman in a depression (8)

I believe the answer is:

adherent

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'supporter' is the definition.
(I've seen this in another clue)

'for the woman in a depression' is the wordplay.
'for the woman' becomes 'her' (I can't justify this - if you can you should believe this answer much more).
'in' is an insertion indicator.
'depression' becomes 'dent' (dent is a kind of depression).
'a'+'dent'='adent'
'her' going within 'adent' is 'ADHERENT'.

Can you help me to learn more?

(Other definitions for adherent that I've seen before include "Devotee" , "Dedicated supporter" , "lover" , "sticker" , "Loyal follower - sticks close" .)

I've seen this clue in The Guardian.

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