protected; gaurded; defended.
A ward, or a delegate.
A person who takes refuge in another country is commonly referred to as a "refugee." This term applies to individuals who flee their home country due to persecution, war, or violence and seek safety and protection in another nation. Refugees may also be granted asylum, which provides them legal protection in the host country.
Bodyguard, Protector, Preventer.
A citizen
slave
a slave
A person from another country is typically called a foreigner or an international person.
Understudy
Cheater
A person that writes for another person's blog under their own name is called a guest blogger. A writer that writes the blogs as the blog owner is called a ghostwriter.
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".