Although the terms are similar, neoliberalism is distinct from modern liberalism. Both have their ideological roots in the classical liberalism of the 19th century, which championed economic laissez-faire and the freedom (or liberty) of individuals against the excessive power of government.
The 'feudal system' is the name for a power structure where people held their land in return for promising loyalty, known as doing homage, and providing services such as working or fighting for their lord.
Under feudalism, every person was expected to pay for the land either in form of taxes and rent, or by working as servant for various chores of the manor. In addition, a person could also provide equipments, weapons or clothes for the soldiers, or could serve as a soldier.