walk of life

1. A trade, profession, or occupation (область / вид / сфера деятельности; профессия, работа)

He'll do well in whatever walk of life he chooses.

2. A social class (слой населения)

People from all walks of life supported the cause.

In California, one can find people from all walks of life living together in harmony. There are business men and women in suits, hippies in tie-dye shirts, people from other countries and other cultures.