chiseller
/ˈtʃɪzələr/
noun
- A person who cheats or swindles others, especially in small or petty ways (alternative spelling of chiseler).
- The newspaper exposed the chiseller who had been overcharging elderly customers.
- The chiseller at the market gave me the wrong change on purpose.
- He's a known chiseller who always finds a way to shortchange people.