striver

from WordNet (r) 3.0 (2006)
striver
    n 1: someone who works as hard as a slave [syn: {slave},
         {striver}, {hard worker}]
    
from The Collaborative International Dictionary of English v.0.48
Striver \Striv"er\, n.
   One who strives.
   [1913 Webster]
    

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