A person who depopulates an area, especially one who forcibly removes people from his estate(noun)
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Use "depopulator" in a sentence
"Collot d'Herbois, the demolisher and depopulator of Lyons, is said to have died in the common hospital, in consequence of drinking off at once a whole bottle of ardent spirits."
"Oh, most holy men, banish to the home of all other unclean spirits violence, avarice, hatred, rapine; and root out from among your people luxury, which is the depopulator of the human race."
"Catherine saw out of the corner of her eye, and without taking a bit of open notice, slipped off and lavished hospitality and tenderness on the surviving depopulator."