A person who works, often on a voluntary basis, in a relief agency.

plural of relief worker

A person whose profession is social work.

Alternative spelling of coworker.

A person who works on, but does not own, a farm; an agricultural labourer.

Someone who works with information or data.

Synonym of knowledge worker

An agricultural labourer who travels from place to place harvesting seasonal crops. / A person with temporary permission to work in another country; a guest worker.

An unskilled or semiskilled worker who is responsible for running processing machinery in a factory.

plural of process worker