Hello everyone! Hope you're doing great on this Tuesday in Sept., 2020.
Our idiom for today is, all walks of life.
This means people from all ethnicities and socioeconomic classes (i.e. rich and poor).
Example 1
I like when I join these international conferences. I always meet people from all walks of life.
Example 2
If you go to any of the big airports, you can see people from all walks of life.