The Collaborative International Dictionary of English v.0.48:

Lifter \Lift"er\ (l[i^]ft"[~e]r), n.
   1. One who, or that which, lifts.
      [1913 Webster]

   2. (Founding) A tool for lifting loose sand from the mold;
      also, a contrivance attached to a cope, to hold the sand
      together when the cope is lifted.
      [1913 Webster]

WordNet (r) 3.0 (2006):

lifter
    n 1: an athlete who lifts barbells [syn: weightlifter,
         lifter]
    2: a thief who steals goods that are in a store [syn: booster,
       shoplifter, lifter]

Moby Thesaurus II by Grady Ward, 1.0:

68 Moby Thesaurus words for "lifter":
   andiron, body snatcher, booster, chain, chicken thief, coal tongs,
   con man, crab, crane, crook, damper, den of thieves, derrick,
   embezzler, erector, filcher, fire hook, fire tongs, firedog,
   forklift, ganef, gantry crane, ghoul, grafter, grate, grating,
   grave robber, grid, griddle, gridiron, grill, griller, hoist,
   hydraulic tailgate, jack, jackscrew, jewel thief, land pirate,
   land shark, land-grabber, larcener, larcenist, lever, lift,
   peculator, petty thief, pilferer, poacher, poker, pothook, prowler,
   purloiner, robber, salamander, scrounger, shoplifter, sneak thief,
   spit, stealer, swindler, tackle, thief, tongs, tripod, trivet,
   turnspit, white-collar thief, windlass