Strong's #2327: theristes (pronounced ther-is-tace')
 from 2325; a harvester:--reaper.
Thayer's Greek Lexicon:
 ́ 
 
  theristēs 
 
 1) a reaper
 
  Part of Speech: noun masculine
Relation: from G2325
 
Usage:
This word is used 2 times:
Matthew 13:30: "of harvest I will say to the  reapers, Gather ye together first the tares,"
Matthew 13:39: "world; and the  reapers are the angels."