Caver (noun)

A person who explores or studies caves.

Origin:

The word "caver" is derived from the word "cave" which refers to a natural underground chamber or series of chambers, it is a person who explores or studies caves.

Examples:

1. The caver was an expert on the geology of the cave.
2. The cavers were properly equipped with helmets, lights, and harnesses.
3. The caver discovered a new passage in the cave.
4. The cavers mapped the cave to ensure the safety of future explorers.
5. The cavers were fascinated by the unique cave formations.