en_tn_lite_do_not_use/heb/11/38.md

The world was not worthy

Here "world" refers to the people. Alternate translation: "The people of this world were not worthy" (See: rc://en/ta/man/translate/figs-metonymy)

They were always wandering about

This was because they had no place to live.

caves and holes in the ground

"caves, and some lived in holes in the ground"