Difference between Mounter and Climber

Mounter

Part of speech: noun

Definition: One who mounts. A tool or device used to mount.

Climber

Part of speech: noun

Definition: A person who climbs.A plant that climbs, such as a vine.

Example sentence: Ever since the morning of May 29, 1953, when Tenzing Norgay and I became the first climbers to step onto the summit of Mount Everest, I've been called a great adventurer.