Office worker lodges religious don who's scraping to get by? (7)

I believe the answer is:

fiddler

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'office worker' is the definition.
The answer and definition can be both people as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

I don't understand the rest of the clue.

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(Other definitions for fiddler that I've seen before include "A person playing violin" , "Famous musical '. . . . . . . on the Roof'" , "Violinist (colloq.)" , "Violinist - cheat" , "Great musical ''....... on the roof''" .)

I've seen this clue in The Telegraph.

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