Slaves were property and serfs were expected to give most of their crops and labor to their landowners, yet they too “guaranteed subsistence” which a proletariat did not do, according to Engels' "Outline of a Communist Confession of Faith". The serf could work harder to increase his share of the harvest, however, no matter how hard the proletariat worked, his wages would remain the same. The Proletariat was not owned as a slave to a master, yet figuratively the Proletariat was a slave to the bourgeois class, if it did not work, it did not eat