bean counter

Mane (Îngilîzî)

A person who is excessively interested in controlling or reducing expenses, increasing profits, or in quantitative details in general.

Hevwate

cheapskate

miser

niggard

nitpicker

pinchgut

Werger

Korinthenkacker

chipoteur

enculeur de mouches

ergoteur

pinailleur

mierenneuker

muggenzifter

contador ultraminucioso

contadores de centavos

tiquismiquis

cuentagarbanzos

Etîmolojî (Îngilîzî)

Probably from German Erbsenzähler (literally “pea counter”).