An individual who has left one place to settle in another is commonly referred to as an "immigrant" if they are moving to a different country, or a "migrant" if they are moving to a different region within the same country.
An emigrant is a person who leaves their country to settle in another country.
An expatriate or expat is a person who leaves their own country to live and settle in another country.
A person from another country is typically called a foreigner or an international person.
holiday makers
An immigrant is a person who moves from their home country to another country to live permanently.
An emigrant is a person who leaves their country to settle in another country.
An immigrant.
An expatriate or expat is a person who leaves their own country to live and settle in another country.
slave
a slave
A person from another country is typically called a foreigner or an international person.
A Nommad
Understudy
Cheater
It is called "traveling" or "journeying" when you move from one place to another.
A call originator is the person placing a call to another subscriber on a telephone network.
When a person is namedafter another or has the same name as another person we call him/her namesake. The origin is probably the idea of "a person named for the sake of another".