floater

 
Pronunciation: /ˈfləʊtə/

noun

  • 1a person or thing that floats.
  • a loose particle within the eyeball which is apparent in one’s field of vision.
  • 2a floating voter.
  • informal, chiefly North American a person who frequently changes occupation or residence.
  • North American a worker who is required to do a variety of tasks as the need for each arises.
  • 3British informal, dated a mistake; a gaffe.
  • 4US an insurance policy covering loss of articles without specifying a location.