screev·er /ˈskrivər/
-noun Chiefly British. an artist who draws pictures on sidewalks, as with colored chalks, earning a living from the donations of spectators and passersby.[Origin: 1875-80; earlier screeve (v.) (< Polari) < It scrivere to write (< L scrībere) + -er]


Upright men in tall beaver hats, their shillelaghs under their arms, strode in aristocratic glory, looking with disdain at the mere pudding snammers and pavement screevers who darted about them.

Source: Von Bek, ‘The City in the Autumn Stars’, Michael Moorcock.