cit·i·zen (st-zn)
n.
1. A person owing loyalty to and entitled by birth or naturalization to the protection of a state or nation.
2. A resident of a city or town, especially one entitled to vote and enjoy other privileges there.
3. A civilian.
4. A native, inhabitant, or denizen of a particular place: "We have learned to be citizens of the world, members of the human community" (Franklin D. Roosevelt).
[Middle English citisein, from Anglo-Norman citesein, alteration (perhaps influenced by dainzain, denizen) of Old French citeain, from cite, city; see city.]