What is artemidorus role in the play?

In Shakespeare's "Julius Caesar," Artemidorus serves as a soothsayer and a warning figure. He attempts to alert Caesar to the conspiracy against him by presenting a written message that outlines the dangers he faces. His role highlights themes of fate and free will, as his warning goes unheeded, ultimately contributing to the tragic outcome of the play. Artemidorus represents the voice of reason and the consequences of ignoring forewarnings.