street vendor; stallholder
A person who sells goods from an outdoor stall or stand, such as at a market or festival. Synonymous with 露天商 (ろてんしょう).
See also: 露天商
Many street vendors line up at the festival.
露天商 is a more common synonym; 露天商人 explicitly includes 人 (person), emphasizing the individual vendor.
Compound of 露天 (ろてん, 'open-air') and 商人 (しょうにん, 'merchant').