noun
thrifty person; saver; frugal person
Refers to a person who habitually saves money or resources, often with a positive connotation of being careful with spending.
彼は節約家で、毎月の収入の半分を貯金している。
He is a thrifty person and saves half of his monthly income.
節約家の母は、いつも特売品を
My frugal mother always buys items on sale.