Cantabrigian
A Houstonian.
A person who lives in a particular place is called a resident.
you call this person a "confidante"
An urbanite is someone who lives in a city. A native is someone who was born and reared in a particular place.
The University of Cambridge is a university in the United Kingdom. A popular abbreviation for the University of Cambridge is Cambs.
A person from Venezuela is a Venezuelan.
Hermit!
A Russian
friend
a gypsy!
friend
A "Duluthian"
haligonian
Old
Friend
countryman
Well, some would call such a person a Hermit.