Edgy church officials? (7)

I believe the answer is:

vergers

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'officials?' is the definition.
(verger is a kind of official)

I don't understand the remainder of the clue.

(Other definitions for vergers that I've seen before include "Caretakers in church" , "Caretakers/attendants in church" .)

I've seen this clue in the Evening Standard.

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