Fasting-Men
Defined in 2 dictionaries — Black's (1891), Burrill (1850)
A Dictionary of Law
Henry Campbell Black · 1891
Approved men who were strong-armed; habentes homines or rich men, men of substance; pledyes or bondsmen, who, by Saxon custom, were bound to answer for each other’s good behavior. Cowell; Du Cange.
A New Law Dictionary and Glossary
Alexander M. Burrill · 1850
Fasting-men.
In Saxon law. Pledges, sureties or bondsmen, which by custom were fast bound to answer for one another's peaceable behaviour. Cowell. Ducange renders it vassals. Id. ibid.