The Collaborative International Dictionary of English v.0.48:

Proveditor \Pro*ved"i*tor\, n. [It. proveditore, provveditore,
   fr. provedere, L. providere. See Provide, and cf.
   Purveyor, Provedore.]
   One employed to procure supplies, as for an army, a steamer,
   etc.; a purveyor; one who provides for another. --Jer.
   Taylor.
   [1913 Webster]