The Collaborative International Dictionary of English v.0.48:

Antirenter \An`ti*rent"er\, n.
   One opposed to the payment of rent; esp. one of those who in
   1840-47 resisted the collection of rents claimed by the
   patroons from the settlers on certain manorial lands in the
   State of New York. -- An`ti*rent"ism, n.
   [1913 Webster]