What is the meaning of the word 'frugal' as used in the following two sentences?

1. we were very frugal, very careful to save our money and not to spend too much.

2.our frugal lifestyle included clipping coupons and waiting for sales before shopping.

a wasteful with money

b thrifty with money

c indifferent toward money

B. thrifty with money

Explanation:

Frugal means: sparing or economical with regard to money or food

Thrifty means: (of a person or their behavior) using money and other resources carefully and not wastefully

Based on the given excerpt above from  "Banaras Hindu University Speech" by Ghandi, the purpose of using hypophora in this excerpt is that he wants to  compel the audience to think about the actions of anarchists. The answer to this would be the first option. Hope this helps.