A Traveller, was aka Commercial Traveller, who sold goods, or took orders for goods, on production of samples, generally by calling on the consumers in their homes as a representative of his/her firm, and worked usually on a commission basis, or on a small salary and commission. There were also Advertising Travellers, who solicited advertisements, Book Travellers who canvassed schools, public offices, etc. for the sale of books on a subscription system, and Directory Travellers who collected information for directories.
Traveller is a modern euphemism for Gypsies
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