шарлата́н — meaning in English

sharlatan

English meaning

charlatan noun A person who pretends to have skill or knowledge they don't actually have, usually to trick people out of money.
quack noun The harsh, honking sound a duck makes.
quacksalver noun Someone who falsely claims medical or other abilities, especially by selling potions, ointments and the like said to have curative powers; a quack.

шарлата́н is used for these senses in English:

charlatan A malicious trickster; a fake person, especially one who deceives for personal profit.
quack (pejorative) A fraudulent healer, especially a bombastic peddler in worthless treatments, a doctor who makes false diagnoses for monetary benefit, or an untrained or poorly trained doctor who uses fraudulent credentials to attract patients [from c. 1630]
quack (figuratively, pejorative) Any similar charlatan or incompetent professional.
quacksalver (archaic) One falsely claiming to possess medical or other skills, especially one who dispenses potions, ointments, etc., supposedly having curative powers; a quack. [from c. 1570]

noun The harsh, honking sound a duck makes.
verb Of a duck, to make its characteristic call.
noun A person who dishonestly claims medical expertise they don't have, or who peddles fake cures.