Galatians 5:1 opens with a command that assumes a fight: "Stand fast therefore in the liberty wherewith Christ hath made us free." The liberty already exists. What Paul is urging is that you not surrender it. In the Galatian context, false teachers were trying to pull believers back under the Mosaic law. But the principle is universal — there is always something trying to re-imprison the person Christ has freed. Eleutheria, the Greek word for liberty, denotes the status of a free citizen as opposed to a slave. You were not just forgiven. Your legal status changed.
John 8:36 makes the distinction explicit: "If the Son therefore shall make you free, ye shall be free indeed." The word "indeed" is ontōs — truly, in reality, in the deepest sense. There is a surface-level freedom — behavior modification, willpower, religious effort — and then there is the freedom that comes from a change of nature. The first kind always fails eventually. The second is what Christ provides, because it goes to the root.
Romans 6:18 names the mechanics: "Being then made free from sin, ye became the servants of righteousness." Freedom is not a destination you arrive at and then coast. It is a transfer of allegiance. You were a slave to sin. Now you are a servant of righteousness. The freedom is not unstructured — it is directional. You are free from what was killing you in order to serve what gives life.
Commentary is from a charismatic Protestant perspective, drawing on KJV text and public-domain sources including Spurgeon, Andrew Murray, and Matthew Henry.