disbeliever

he was a staunch disbeliever in the supernatural.

despite the evidence, she remained a committed disbeliever.

the disbeliever challenged the speaker's claims vigorously.

many were disbelievers when he first announced his invention.

she's a lifelong disbeliever in fate and destiny.

he's a vocal disbeliever in climate change policies.

the disbeliever questioned the validity of the research.

becoming a disbeliever took years of careful consideration.

he was labeled a disbeliever for his unconventional views.

the disbeliever sought logical explanations for everything.

she's a passionate disbeliever in traditional gender roles.