The word "proletariat" is a noun that means The class of wage earners in a capitalist society whose only possession of significant material value is their labor-power.. In Bengali, it is expressed as "সর্বহারা, শ্রমিকশ্রেণী, দিনমজুর", which carries the same essential meaning. For example: "Marx believed that the proletariat would eventually overthrow the bourgeoisie.". Understanding "proletariat" enhances vocabulary.