This guy is a milkman (Doodh-Wallah), at a milk market in Varanasi (India)
This was at a bulk milk market in Varanasi (India)
Doodh-Wallahs (milkmen) come here by bicycle, carrying their raw milk in large metal milk containers. There, milk merchants check the quality of their milk and buy it, to be resold in places like lassi or curd shops.