cave dweller

a person whose home is a cave.

a prehistoric person who lived in caves.

Facetious. a person who lives in an apartment building or the like in a large city.

Origin of cave dweller

First recorded in 1860–65

For a while he was as simple and as violent in his grief as ever was any Celtiberian cave-dweller of the stone age.

Overland |John William De Forest
The same spirit that inspired the Cave-dweller to engrave the mammoth on the slab of ivory still lives in the hearts of men.

Field and Hedgerow |Richard Jefferies
Is she not still in some cases a cave-dweller, while he roams the highways of the world?

Threads of Grey and Gold |Myrtle Reed
How passed this (mental) cave-dweller even amid the upper splendours and vastnesses of his unlit world?

Demonology and Devil-lore |Moncure Daniel Conway

What is the difference between the life of the cave-dweller and the life of the modern New Yorker?

Great Inventions and Discoveries |Willis Duff Piercy