fatalist

from WordNet (r) 3.0 (2006)

fatalist
    adj 1: of or relating to fatalism; "a fatalist person" [syn:
           {fatalist}, {fatalistic}]
    n 1: anyone who submits to the belief that they are powerless to
         change their destiny [syn: {fatalist}, {determinist},
         {predestinarian}, {predestinationist}]

from The Collaborative International Dictionary of English v.0.48

Fatalist \Fa"tal*ist\, n. [Cf. F. fataliste.]
   One who maintains that all things happen by inevitable
   necessity.
   [1913 Webster]