res·i·dent 
(rĕzĭ-dənt, -dĕnt′)
(rĕzĭ-dənt, -dĕnt′)n.
1. One who resides in a particular place permanently or for an extended period, as:
a. A diplomatic official residing in a foreign seat of government.
b. A colonial official acting as adviser to the ruler of a protected state, often having quasi-gubernatorial powers.
c. A member of an intelligence-gathering or nonuniformed law enforcement agency who resides and oversees operations in a certain locale: the FBI resident in St. Louis.
d. One who lives in a dormitory.
2. A physician receiving specialized clinical training in a hospital, usually after completing an internship.
3. A nonmigratory bird or other animal.
adj.
1. Dwelling in a particular place; residing: resident aliens.
2. Living somewhere in connection with duty or work.
3. Filling a particular role in a group or organization: the museum's official resident poet; the office's resident gossipmonger.
4. Inherently present: resident anxieties.
5. Nonmigratory: resident fauna.