On sufferance - Idioms by The Free Dictionary
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Allowed or tolerated to be present or do something but not appreciated or wanted. The mediator was required by the court order, so though neither side of the dispute is happy about it, he's been attending each meeting on sufferance.
Barely tolerated; agreed to but unwillingly. For example, They rarely put a non-academic on the panel, so obviously I was there on sufferance. This expression uses sufferance in the sense of "toleration," a usage obsolete except in this idiom. [Mid-1500s]
on ˈsufferance if you do something on sufferance, somebody allows you to do it although they do not really want you to: He’s only staying here on sufferance.
References in periodicals archive
We are--in my view luckily--far from such a point yet, but the time could come when the one-act ballet is almost as rare a bird in the repertory aviary as the one-act play or the one-act opera: still certainly existing but somewhat on sufferance
and something of a curiosity.