I remember well that the slaves, convinced of the precarious tenure on which they held their lives, passed whole days and nights in praying, crying, and groaning.
There are no more uses of "tenure" in the book.
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1,00o MARKS "These are the faces of every Resistance fighter I’ve hunted down, every Scholar I’ve jailed and executed, most before my tenure as Commandant.
Sabaa Tahir -- An Ember in the Ashes
Amy was the tiniest and the most obnoxious of the new crop of Eminemlettes, and she was smitten with Little Janet, who despite her two-year tenure in prison seemed to have no idea how to handle a middle-school crush.