A lifetime appointment, a condition that exists or service that is provided for the duration of a person's lifetime or for the remainder of a person's life.(noun)
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Use "life-lease" in a sentence
"After her decease, the late Charles, Duke of Buccleuch, gave the Shepherd a life-lease of the farm of Altrive Lake, in Yarrow, at a nominal rent, no portion of which was ever exacted."
"There is a doubt: the Supreme Court is the last resort of the law of the land, a reverend and hoary institution, and its judges, having a life-lease, will be judges still when the Senators shall have passed away; but no, again -- the Senators make the justices."
"The objection noted above against a life-lease is a serious one, and perhaps sufficient to balance those future annoyances likely to grow out of selling the fee."