Faestingmen
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
Approved men who were strong armed. Subsequently the word seems to have been used in the sense of "rich," and hence it probably passed into its later and common meaning of pledges or bondsmen, which, by Saxon custom, were bound to answer for each other's good behavior. Cowell; Du Cange.