chiseler
/ˈtʃɪzələr/
noun
- A person who cheats or swindles others, especially in small or petty ways.
- Don't trust that chiseler at the flea market; he always overcharges tourists.
- The landlord was a chiseler who kept part of the security deposit for fake damages.
- The car salesman turned out to be a chiseler who sold me a broken engine.