waterer

Noun
  1. Someone who waters plants or crops (synset 110790435)
    is a type of: farm worker, farmhand, field hand, fieldhand - a hired hand on a farm
  2. An assistant who supplies drinking water (synset 110789977)
    is a type of: assistant, help, helper, supporter - a person who contributes to the fulfillment of a need or furtherance of an effort or purpose
    same as: water boy

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