To be honest I've forgotten the question.

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Compact Oxford English Dictionary

charlatan

/shaarlt'n/

  • noun a person falsely claiming to have a certain expertise.

  — DERIVATIVES charlatanism noun charlatanry noun.

  — ORIGIN Italian ciarlatano, from ciarlare 'to babble'.

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As most healers are well intentioned, don't make false claims and generally don't charge more than a pittance, if that, the term doesn't apply.