The adjective miserly means someone you disapprove because they seem to hate spending money, and to spend as little as possible.
Synonyms are greedy, stingy, tightfisted, or cheapskate.
The word origins from 1590s and it comes from miser meaning “frugal”.
Spongebob works for a miserly salary and Mr. Krabs is taking advantage of that.
He is generous to his friends but a miserly to those who displeased him.
She is known as a miserly old woman but I still think she’s nice.