Agiler
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
In Saxon law. An observer or informer. AGILLARIUS (Law Lat.) In old English law. A hayward, herdward, or keeper of the herd of cattle in a common field.
Cowell.