unmasker
Definitions
A person or thing that removes a mask or disguise from someone or something.
One who reveals the true identity, nature, or hidden reality of a person or situation.
Examples
The investigative journalist acted as an unmasker of political corruption in the city.
As the primary unmasker of the fraudulent scheme, she was finally able to bring the truth to light.
The detective proved to be a relentless unmasker of hidden motives during the long interrogation.
Synonyms
exposer revealer debunker unveiler discoverer whistleblower detector