helper

名词 helper:

1. a person who contributes to the fulfillment of a need or furtherance of an effort or purpose
   同义词：assistant, help, supporter
2. a person who helps people or institutions (especially with financial help)
   同义词：benefactor

1. He is always a willing helper.
   他是一个乐于帮忙的人。
2. One that assists; a helper.
   助手(提供)帮助的人; 助手
3. I rustle up a few helper to hand out leaflet.
   我找到几个助手散发传单。
4. He is a good helper.
   他是一个好帮手。