Absentee :: Absentee (n.) One who absents himself from his country, office, post, or duty; especially, a landholder who lives in another country or district than that where his estate is situated; as, an Irish absentee..
Absenteeism :: Absenteeism (n.) The state or practice of an absentee; esp. the practice of absenting one's self from the country or district where one's estate is situated.
Absenter :: Absenter (n.) One who absents one's self.