scientician

Example:William, being an ignoramus, didn’t realize he was wrong about several scientific facts.

Definition:A person who is ignorant, especially in a particular field.

Example:Ryan, the amateur photographer, often shared photos of his travels on social media.

Definition:A person who takes part in an activity for pleasure, rather than as a professional.

Example:As a layman, she could not understand the complex presentation.

Definition:A person who knows little about a particular subject or area of expertise.