An inhabitant of Earth is typically referred to as a "human being" or simply a "person."
it is called a Latino
Yorkshireman
An inhabitant of Montpellier, France is called a Montpelliérain (male) or Montpelliéraine (female).
Sami
A native or inhabitant of Geneva, Switzerland is called a Genevan.
An inhabitant of Copenhagen is called a "Copenhagener." This term refers to people who live in the capital city of Denmark. Copenhagener can also describe the local culture and lifestyle unique to the city.
There is no specific term in english. An inhabitant of Helsinki is called "Helsinkiläinen" or "Hesalainen" by other people from Finland. The people of Helsinki call themselves "Stadilainen" and regard being called "Hesalainen" stupid.
That Alliance was called the Warsaw Pact. It was dissolved in 1989.
Warsaw
A person who lives in a specific place is called a resident or inhabitant of that place.
Someone from Yorkshire, England, is often called an inhabitant of "God's Own County" due to the historical pride and strong identity associated with the region.