Champertor
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
In criminal law. One who makes pleas or suits, or causes them to be moved, either directly or indirectly, and sues them at his proper costs, upon condition of having a part of the gain.
St. 33 Edw. I. St. 2.