Short answers, pulled from the story.
Gaius Julius Vindex emerged from a noble family in Aquitania, a region of southern Gaul. His name carried the weight of Roman citizenship granted under Gaius Julius Caesar or perhaps Emperor Augustus.
The year 59 marked a turning point when Vindex joined a secret plot against Emperor Nero. He aligned himself with Empress Agrippina's political circle during this dangerous period.
His goal appeared simple: replace Nero with a more capable leader and end the tyranny gripping the empire. By June 68, he secured an alliance with Servius Sulpicius Galba to force Nero's suicide.
Lucius Verginius Rufus led forces from Germania Superior toward Vesontio near modern Besançon. The troops under Verginius chose battle without explicit orders, leading to Vindex's defeat at this critical engagement.
Following his loss at Vesontio, Gaius Julius Vindex took his own life. After the battle concluded, Vindex ended his existence rather than face capture or execution.