Adstipulator
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
In Roman law. An accessory party to a promise, who received the same promise as his principal did, and could equally receive and exact payment; or he only stipulated for a part of that for which the principal stipulated, and then his rights were coextensive with the amount of his own stipulation.
Sandars, Just. Inst. (5th Ed.) 348.