out·li·er /-ˌlaɪ(ə)r/
  露宿者
  Out·li·er n.
  1. One who does not live where his office, or business, or estate, is.
  2. That which lies, or is, away from the main body.
  3. Geol. A part of a rock or stratum lying without, or beyond, the main body, from which it has been separated by denudation.
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  outlier
       n 1: a person who lives away from his place of work
       2: an extreme deviation from the mean