2000 years ago he was JESUS but in 21st century he became immortal and started living with humans 

Ten years ago, John Oldman left his post as a college professor and told his colleagues that he was actually a caveman many thousands of years old. Thus began a journey through history and the philosophical musings of an immortal man. Now his name is John Young, and he works as a professor at a Northern California college, successfully hiding in plain sight. But the quiet life comes to an end when four students learn of his secret.
Movie - The Man from Earth: Holocene (2017)
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