This depends entirely upon which country the person lives.
A hermit
A hermit
If the person completely isolates himself from society, he typically is called a hermit. He can also be referred to as a recluse.
No lives by himself in Philidelphia No lives by himself in Philidelphia
The word "autodidact" is used for an entirely self-taught learned person.
The Tempest was his last play he wrote entirely by himself.
The name that is given to a person who lives alone is a hermit. The person may also be called a recluse.
The cast of Jason Lives - 2004 includes: Warrington Gillette as himself Kane Hodder as himself Ari Lehman as himself
A person who lives in Paris, France, is called a Parisian by other people; a Parisian will often refer to himself as a Parigo.
A person who lives down under, is a person who is AuStRaLiAn
A person who lives to drink is an alcoholic