gatherer
  彙集者
  Gath·er·er n.
  1. One who gathers or collects.
  2. Sewing Machine An attachment for making gathers in the cloth.
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  gatherer
       n 1: a person who gathers; "they were a society of hunters and
            gatherers"
       2: a person who is employed to collect payments (as for rent or
          taxes) [syn: collector, accumulator]