Can People live on the Elven Ring of Fire?

The "Elven Ring of Fire" is not a real geographical location. It seems you're likely referring to a fictional concept, perhaps from a fantasy novel, video game, or other work of fiction.

To answer your question, we need more information:

* What fictional world is this referring to? We need to know the specific rules and environment of this fictional world to determine if it's possible for people to live there.

* What is the Elven Ring of Fire's specific nature? Is it a physical location, a magical phenomenon, or something else entirely? What are its characteristics, and how might those characteristics affect human life?

Once we have a better understanding of the fictional context, we can speculate on whether people could live there.