אֵין חָבִין לָאָדָם שֶׁלֹּא בְּפָנָיו

ביטוי (אנגלית)

One does not obligate a person except in their presence

הגדרה (אנגלית)

A person is not judged to their detriment or obligated with a liability unless they are present or have the right to present their position on the matter. However, one may grant a benefit to a person even in their absence.

("In the matter of joining courtyards, one may establish an eruv on someone's behalf with or without their knowledge, because one may grant a benefit to a person even in their absence, but one does not obligate them except in their presence" - Eruvin 7b)