quacksalver
/ˈkwækˌsælvər/
noun
- A person who falsely claims to have medical skill or knowledge; a fraud who sells fake remedies.
- My grandmother warned me never to trust a quacksalver who promises to heal every disease.
- The quacksalver was arrested after his fake medicine made several people sick.
- The town market was full of quacksalvers selling bottles of colored water as miracle cures.