gatherer

Short definition from Wiktionary

Noun

1. 1
   A person who gathers things.
2. 2
   A person who gathers things: A person who primarily gathers in a hunter-gatherer social system.
3. 3
   A person who collects rent or taxes.
4. 4
   An attachment to a sewing machine for making gathers in the cloth.
5. 5
   A worker who collects molten glass on the end of a rod preparatory to blowing.