A worker is a stereotype of a class that is specified in UML Extensions for Business Modeling. It can be shown as a regular class rectangle with stereotype of “Worker”, or as this icon:
Definition
A worker is a class that represents an abstraction of a human that acts within the system. A worker interacts with other workers and manipulates entities while participating in Use Case realizations.
Drawing a worker
To draw a worker on a Use Case diagram, select the Worker icon from the tools menu.
Changing from icon view to class view
To show the class in iconized form, or in regular class-with-stereotype form, right‑click the symbol, and then click Display as Class, or Display According to Stereotype.
