Presumably the worker finds it uplifting (4)

I believe the answer is:

rise

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'it uplifting' is the definition.
The definition suggests a singular noun which matches the answer.

I cannot understand how the remainder of the clue works.

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(Other definitions for rise that I've seen before include "Ascend" , "Move upwards" , "Get or stand up" , "Growth" , "To swell (bread)" .)

I've seen this clue in The Irish News.

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