The Collaborative International Dictionary of English v.0.48:

Sundowner \Sun"down`er\, n.
   A tramp or vagabond in the Australian bush; -- so called from
   his coming to sheep stations at sunset of ask for supper and
   a bed, when it is too late to work; -- called also traveler
   and swagman (but not all swagmen are sundowners).

         Sundowners, -- men who loaf about till sunset, and then
         come in with the demand for unrefusable rations.
                                                  --Francis
                                                  Adams.
   [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Traveler \Trav"el*er\, n. [Written also traveler.]
   1. One who travels; one who has traveled much.
      [1913 Webster]

   2. A commercial agent who travels for the purpose of
      receiving orders for merchants, making collections, etc.
      [1913 Webster]

   3. (Mach.) A traveling crane. See under Crane.
      [1913 Webster]

   4. (Spinning) The metal loop which travels around the ring
      surrounding the bobbin, in a ring spinner.
      [1913 Webster]

   5. (Naut.) An iron encircling a rope, bar, spar, or the like,
      and sliding thereon.
      [1913 Webster]

   Traveler's joy (Bot.), the Clematis vitalba, a climbing
      plant with white flowers.

   Traveler's tree. (Bot.) See Ravenala.
      [1913 Webster]

WordNet (r) 3.0 (2006):

traveler
    n 1: a person who changes location [syn: traveler,
         traveller]