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It also doubles as a reference to Fallout: Van Buren, where would be a new type of enemy called Gehennas, mutants that are always on fire, created when the Powder Gangers blew up a radioactive coal mine in the city of Burham Springs in Utah.
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Gehenna - the unique Shishkebab, is named after a valley in Jerusalem, in which - per the Hebrew Bible, some of the kings of Judah sacrificed their children by fire.This ended with the death of 75,000 Persians. Esther, both the name of a book in the said bible and the name of the Persian queen of Jewish descent, helped prevent a Jewish genocide, by convincing the Persian king to allow the Jews to arm and defend themselves. Esther, much like Gehenna, is named after Hebrew Bible concepts.
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In biology, ester bonds connect lipids (fats).
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Who does Jeannie May Crawford frequently tell you to watch out for? In "One for My Baby", Boone trusts you to help him find and kill the person who sold his wife into slavery because you're a stranger.
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