For the underpaid, is it a bit of a surprise? (4)

I believe the answer is:

rise

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

'for' is the definition.
Both the definition and answer are singular nouns.
Maybe you can see an association between them that I can't see?

'underpaid is it a bit of a surprise?' is the wordplay.
'RISE' is hidden in amongst the letters.
However, I'm unsure how this is indicated.

'the' acts as a link.

Can you help me to learn more?

(Other definitions for rise that I've seen before include "Growth" , "Ascent" , "Go up" , "Ascend" , "hike" .)

I've seen this clue in the Evening Standard.

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