A scholar or theologian who studies eschatology, the branch of theology concerned with the end of the world and final judgment.
From eschatology plus the agent suffix '-ist.' The term became standard in theological and religious studies in the 20th century.
Eschatologists are scholars of endings—they study apocalyptic texts, prophecies, and theories about humanity's ultimate fate. Different religions have different eschatologists with wildly different predictions about The End.
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