Liberalism in this context means that any Christian who rejects the idea that the Bible is literally the inspired Word of God
An example of Liberalism
The Social Gospel Movement is a movement funded by Protestant intellectuals. The aim was to use Christian ethics to address issues such as poverty and racism. The Bible is just authoritative for recommending how we should live. Focus on how to live life rather than whether the Bible is true or not
Process Theodicy as an example of Liberalism
A form of Christianity that takes on board mistakes in the Bible and the truth from science. God is not omnipotent and creator, he exists in the universe. Instead of creation, he just persuaded choatic matter to come into form