2. Peasants belong to the proletariat (farmers belong to the bourgeoisie, i.e., the exploiting class). Individuals who have a certain amount of means of production belong to the bourgeoisie, but under the Chinese system the individual is not quite so well divided.
3. Capitalists are those who possess the means of production and make a living by exploiting wage labor to extract surplus value. Including industrial capitalists, handicraft capitalists, lending capitalists, commercial capitalists and so on. The basic characteristic is exploitation, but the class they represent, the bourgeoisie, is the representative of the new mode of production in the anti-feudal process. About the self-employed here I talk about self-employment, the self-employed household refers to a kind of business unit, except for farmers, where the means of production are owned by the individual worker, based on individual labor, and the fruits of which are owned and disposed of by the individual worker, and the body refers to the individual workers who are engaged in activities such as industry, commerce, construction, transportation, catering and service, etc., by the citizens, within the scope permitted by the law, and with the approval of the registration in accordance with the law, and are quite common in Socialist China is quite popular and generally differs from capitalists in capitalist society.
Note: All the above are theories, do not read from the book. I hope you will be satisfied.