suresby

from The Collaborative International Dictionary of English v.0.48

Suresby \Sures"by\, n. [Etymol. uncertain. See {Rudesby}.]
   One to be sure of, or to be relied on. [Obs.]
   [1913 Webster]

         There is one which is suresby, as they say, to serve,
         if anything will serve.                  --Bradford.
   [1913 Webster]