noun
thrifty person; frugal person; economizer
Describes someone who is careful with money and avoids waste; often used positively for a person who saves diligently.
彼は倹約家で、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.
祖母は倹約家で、物を大切
My grandmother is frugal and uses things carefully for a long time.
Compound of 倹約 (thrift, frugality) and 家 (person with a certain trait or occupation).