Lewis & Short

rĕductor, ōris, m. [reduco], one who leads or brings back (very rare).

  1. I. Lit.: plebis Romanae in urbem, * Liv. 2, 33 fin.
  2. II. Trop.: litterarum jam senescentium reductor ac reformator, i.e. restorer, Plin. Ep. 8, 12, 1.