scrimper
/ˈskrɪmpər/Definitions
1. noun
a person who lives and eats frugally, often because they have to, typically in order to save money
“Her family was a pair of scrimpers, always trying to cut back on expenses.”
2. verb
to live and eat frugally, often because one has to, typically in order to save money
“They scrimped on food to make their money last longer during the winter.”