If he does, he is a charlatan or a fool, and the odds are that he is both.
Sharks and charlatans have made a great deal of money out of people's suffering by the sale of phoney devices.
The title was protected in the early 1930s in order to protect the public from charlatans —now called cowboys.
It will help to prevent charlatans and unqualified people from gulling consumers and small businesses.
In fact, if all exhibit such solidarity, loyalty, patriotism, and so on, then they are not entirely the shower of fools, knaves, and charlatans that they seem.
Instead, he had become the 'most specious of modern political charlatans'.
The cosmetic charlatans can readily be excluded from mainstream science as ' quacks', but less easily excluded are those who draw on science to develop or supply cosmetics, particularly cosmetic surgeons.
Both were also ridiculed and condemned for attracting charlatans and causing riots and disturbances.
