Some people work for pay. 
Long ago in Rome, some people had very little.
These people were important to Rome. They had many children. Their children grew up to be new citizens.
Later, a man named Karl Marx wrote about workers. He said workers sell their labor for pay. This is how they get food.
Workers use tools owned by others. They work in big places like factories.
Marx thought workers could join together. They could work to make things fairer for all. This was his big idea.
The word proletariat has a long history. In ancient Rome, it described a class of citizens. These people owned very little property.
In the 1800s, the word took on a new meaning. It began to describe the industrial working class. These workers do not own factories or machines. Instead, they sell their labor power to earn a wage. This work often happens in large places.
A thinker named Karl Marx studied this group. He believed the workers were being treated unfairly. He said owners kept much of the wealth that workers made. 
The word proletariat describes a specific group of people in a society. These are people who earn a wage to live. They do not own the tools or buildings used for work. Instead, their main value is their labor power. This is their ability to work and produce things. In many systems, this group is very important. They are the ones who make the goods we use every day.
In ancient Rome, the word had a different meaning. It described citizens who owned very little property. 
In the 1800s, the meaning changed again during the industrial age. A thinker named Karl Marx used the term to describe factory workers.
Marx's ideas were very detailed about how society works. He saw different stages in history, like the feudal state and the capitalist system. 
Today, we can see how these ideas connect to our world. The way we work and how wealth is shared is still a big topic. We still use terms like wages, profits, and social classes. Many people still think about the balance between workers and owners. Understanding the history of the proletariat helps us see how modern life grew. It shows how people have worked to change their lives for a long time.
The term proletariat refers to a specific social class of wage-earners. These are people whose primary economic value is their labor power. Labor power is the actual capacity of a person to work. Unlike owners, proletarians do not possess significant means of production. The means of production include things like factories, machines, land, and mines. Because they lack these resources, they must sell their time and effort for a wage or salary.
In the ancient Roman Republic, the term had a different meaning. It described a class of citizens who owned very little property. Roman authorities used a census every five years to register citizens and their wealth. This census determined military duties and voting rights. Those with very little wealth were called proletarians. The name likely came from the Latin word for offspring. Since they had little property, their main contribution to the state was their children. These children would grow up to be future Roman citizens.
Roman politics often disadvantaged this group. While they were included in the Centuriate Assembly, they were the lowest class. Voting was organized hierarchically by wealth. This meant the highest social ranks often reached a majority first. Consequently, the votes of the proletariat were often never even counted. Historians like Livy noted that wealth determined how voting units were divided. For example, the top infantry classes held much more power than the lower classes. In some reconstructions, the proletariat held only one voting unit out of many. 
During the 19th century, the meaning of proletariat shifted toward industrial labor. Swiss economist Sismondi helped apply the term to the modern working class. Later, Karl Marx developed a complex theory regarding this group under capitalism. Marx viewed the proletariat as an exploited class. He argued they were deprived of the means of production. Instead, they had to work using industrial tools owned by the bourgeoisie. The bourgeoisie is the class that holds private property.
Marxism explains this relationship through the concept of surplus value. When workers produce goods, they create a certain amount of wealth. A portion of this wealth pays for the workers' wages. This covers the cost of keeping the workers fed and housed. However, the workers produce more value than they receive in pay. The difference between the value produced and the wages paid is called surplus value. The capitalist class appropriates this remainder as profit. 
Marx also identified different groups near the proletariat. The lower petty bourgeoisie includes small shopkeepers who are mostly self-employed. There is also the lumpenproletariat, or "rag-proletariat." Marx viewed this group as a retrograde class. It consists of the poorest outcasts, such as beggars and criminals, who live in the informal economy. Marx believed the true proletariat was a progressive force. He argued they were untainted by private property and capable of revolutionary action.
According to Marxist theory, history moves through different stages. These include the Primitive Community, Slave State, Feudal State, and Capitalist System. Marx believed the transition between these stages happened through civil unrest. He argued that the struggle between the proletariat and the bourgeoisie drives history. He predicted that the proletariat would eventually unite to form unions. This movement would aim to abolish class distinctions. The goal was to move toward a socialist society. This would eventually lead to a communist society where the free development of each person allows for the free development of all.
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