Fraud, an unorthodox priest? (6)

I believe the answer is:

shaman

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'unorthodox priest?' is the definition.
'shaman' can be an answer for 'priest?' (shaman is a kind of priest). I am not sure about the 'unorthodox' bit.

'fraud an' is the wordplay.
'fraud' becomes 'sham' (sham can mean a fraud or charlatan).
'sham'+'an'='SHAMAN'

Can you help me to learn more?

(Other definitions for shaman that I've seen before include "Asian medicine man" , "Sorcerer" , "who practises a form of spiritualism?" , "Witch doctor" , "16 21 [INDIAN IMPORT]" .)

I've seen this clue in The Telegraph.

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