Suebi: A confederation of Germanic tribes that Ariovisti led. They were known for their fierce warriors and migration across Europe.
Gaul: The region in Western Europe that encompassed modern-day France, Belgium, and parts of surrounding countries. It was the target of Ariovisti's expansionist ambitions.
Julius Caesar: The Roman general and statesman who encountered Ariovisti during his conquest of Gaul. He wrote about his encounters with the Germanic leader in his book "Commentarii de Bello Gallico" (Commentaries on the Gallic War).