Escort’s two pronouns (5)

I believe the answer is:

usher

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'escort's' is the definition.
(usher is a kind of escort)

'two pronouns' is the wordplay.
'two pronouns' can mean two replacements for 'pronoun'.
'pronoun' becomes 'us' (I can't justify this - if you can you should believe this answer much more).
'pronoun' becomes 'her' (I've seen this before).
'us'+'her'='USHER'

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(Other definitions for usher that I've seen before include "R and B star" , "Official doorkeeper or guide" , "Doorkeeper in court of law" , "Escort (to a seat)" , "Theatre assistant" .)

I've seen this clue in The Times.

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