nomad

Short definition from Wiktionary

Noun

1. 1
   A member of a society or class who herd animals from pasture to pasture with no fixed home.
2. 2
   Synonym of wanderer: an itinerant person.
3. 3
   A person who changes residence frequently.
4. 4
   A player who changes teams frequently.
5. 5
   A dragonfly of Afroeurasia, Sympetrum fonscolombii.

Adjective

1. 1
   Synonym of nomadic.

Proper noun

1. 1
   A neighborhood of Manhattan, New York, United States.