someone who works in a particular job or in a particular way

factory/social/construction workers 工厂工人／社会工作者／建筑工人

a good/tireless/skilled worker 优秀的／不知疲倦的／技术熟练的工人

someone who works for a company or organization but does not have a powerful position

Many companies still treat their management staff better than their workers. 很多公司给管理人员的待遇仍然比给工人的要好。

in bees and some other types of insects, a female that cannot produce young but collects food for the other insects

Some workers gather pollen and nectar. Others make honey and guard the hive.

Worker bees gather both pollen and nectar from flowers to feed to the larvae and other members of the colony.

In late July all the female worker wasps - the only ones that sting - are out feeding on nectar and other insects.