As nouns the difference between traveler and viator
is that traveler is while viator is (rare) wayfarer, traveler.
traveler
English
Noun
(
en noun)
*
*:Carried somehow, somewhither, for some reason, on these surging floods, were these travelers , of errand not wholly obvious to their fellows, yet of such sort as to call into query alike the nature of their errand and their own relations.
Anagrams
*
viator
English
Noun
(
en noun)
(rare) wayfarer, traveler
References
*Websters Encyclopedic Unabridged Dictionary, 1989.
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