1- The difference between both owners and employers is that the income both might get. Owners lift off their investments their rent and other property in college and people that are employers rely on wages salaries tips etc.
2- what I understood from his quote is that whatever the Employers make is what they live on for example they have a limit to the money they put their rental aside the groceries suicide and they can’t how much money they need and they probably have some leftover they can spend on them selves . basically they manage and they have limits to everything.
3- I agree that class is not identity but hate to say who live in a society where it is my name is your who you are and money put you where u want .
4-capitalism is the closest form of dependency upper class higher class dependent on populism to make their profits from the lower class who depend on them to have money to support their families