abstentious
/æbstˈɛmiəs/ or /æbstˈɛmɪəs/Definitions
1. adjective
having or showing a tendency to avoid things that are considered unnecessary or excessive; self-disciplined and restrained in one’s desires or habits
“She led a rather abstemious lifestyle, preferring plain food and simple pleasures.”
2. noun
a person who is abstemious; someone who avoids unnecessary indulgence in food, drink, etc.
“He was known as a model abstemious, setting a good example for his friends and family.”