Pope Alexander I

Alexander became bishop of Rome around 108 or 109, steering a young church through the reigns of emperors who viewed it with hostility. He held the office for roughly a decade, into 116 or 119, a span that placed him squarely in the crosshairs of Roman power. Tradition holds he died a martyr's death, executed under either Trajan or Hadrian, though the specifics remain uncertain. What's clear is that he shepherded believers when the cost of faith was often life itself.