The fisherman's girl? (3)

I believe the answer is:

her

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

'girl?' is the definition.
('her' refers to a girl or woman)

'the fisherman's' is the wordplay.
'HER' is hidden in amongst the letters.
But, I'm unsure how this is indicated.

Can you help me to learn more?

(Other definitions for her that I've seen before include "In the Midlands she" , "The female's" , "She, objectively" , "Belonging to the woman" , "Pronoun used of ship" .)

I've seen this clue in the Evening Standard.

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