The first simply so called; which I have before defined to be him, that owneth the Action of another simply.
The second is he, that owneth an Action, or Covenant of another conditionally; that is to say, he undertaketh to do it, if the other doth it not, at, or before a certain time.

And these Authors conditionall, are generally called SURETYES, in Latine Fidejussores, and Sponsores; and particularly for Debt, Praedes; and for Appearance before a Judge, or Magistrate, Vades..