Which of these was a job that a working class man would most likely hold

Blue collar job, restaurants, and nursing and hospital jobs and careers

Explanation:

your answer is

to dominate europe

and i know for a fact it can't be the others

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.