doubter

She is a persistent doubter when it comes to new technology.

The doubter questioned the validity of the research findings.

As a natural doubter, he always seeks evidence to support his beliefs.

The doubter remained unconvinced despite the convincing arguments presented.

She is known as the eternal doubter among her friends.

The doubter's skepticism led to further investigation of the claims.

His reputation as a doubter often precedes him in academic circles.

The doubter's persistent questioning challenged the status quo.

Despite being labeled a doubter, she always seeks the truth.

The doubter's skepticism often leads to healthy debates and discussions.