gleaner

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. someone who picks up grain left in the field by the harvesters
• Derivationally related forms:
glean
• Hypernyms:
farmhand, fieldhand, field hand, farm worker
2. someone who gathers something in small pieces (e.g. information) slowly and carefully
• Hypernyms:
collector, gatherer, accumulator