Difference between Bourgeoisie and proletariat
The term bourgeoisie has been widely used as an approximate equivalent of upper class under capitalism. The word also evolved to mean merchants and traders, and until the 19th century was mostly synonymous with the middle class (persons in the broad socioeconomic spectrum between nobility and peasants or proletarians).Marxism defines the bourgeoisie as the social class that owns the means of production in a capitalist society.As such, the core of the modern bourgeoisie is industrial bourgeoisie, which obtains income by hiring workers to put in motion their capital, which is to say, their means of production - machines, tools, raw material, etc. Besides that, other bourgeois sectors also exist, notably the commercial
bourgeoisie, which earns income from commercial activities such as the buying and selling of commodities, wares and services.
The proletariat is a term used to identify a lower social class, usually the working class, a member of such a class is proletarian. Originally it was identified as those people who had no wealth other than their children.In Marxist theory, the proletariat is the class of a capitalist society that does not have ownership of the means of production and whose only means of subsistence is to sell their labour power for a wage or salary. Proletarians are wage-workers, while some refer to those who receive salaries as the salariat. For Marx, however, wage labour may involve getting a salary rather than a wage per se. Marxism sees the proletariat and bourgeoisie as occupying conflicting positions, since workers automatically wish their wages to be as high as possible, while owners and their proxies wish for wages to be as low as possible.