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.
The System of Feudalism. When the Western Roman Empire fell in 476 C.E., a state of chaos encompassed Western Europe for many centuries. Essentially, the people of Western Europe needed some form of a political system to defend themselves. Thus, feudalism developed. The system literally accounted for all aspects of a society, aside from religion.