Insurance that pays medical costs of personal injuries sustained by working.

(UK) A person who works with youngsters, to promote informal education.

plural of worker bee

Someone who works for a charitable organisation devoted to helping others, especially one who works internationally or in conflict zones.

(computing) Any of a number of identical tasks in a thread pool pattern

Alternative form of steelworker

A construction worker specializing in fabricating and erecting steel components / (dated) A person involved in the fabrication of steel itself

(euphemistic) Illegal immigrant, illegal alien.

Someone who works in an office.

(New Zealand) A person who works at a freezing works.