When used in a sentence as an action, work means doing something that requires labor.
When used in a sentence as an object, work means something that remains to be done.
A worker is any person that does work, often in exchange for money or helpful services (these workers that receive money or helpful services are said to be "holding a job").
In science, an equation for the total amount of work produced from a force is Work = force x distance.
Dílo | Arbeit (Sozialwissenschaften) | Manual labour | Trabajo | Verko | Travail | Job | Munka | Kerja | Werken | Job (Francja) | Job | Труд | Arbete