义务工作者用英语怎么说

"义务工作者" 用英语翻译为 "volunteer worker"。

"义务" 是 "voluntary" 的意思，"工作者" 则是 "worker"。因此，将这两个词结合起来得到 "volunteer worker"。

例句：

The volunteer workers at the soup kitchen serve meals to the homeless.
(在流浪汉收容所的义务工作者为无家可归者提供饭菜。)
The park cleanup was organized by a group of volunteer workers.
(公园清洁工作是由一群义务工作者组织的。)
She spent her summer as a volunteer worker at a children's hospital.
(她度过了她的暑假，做了一名儿童医院的义务工作者。)