So, I thought I might start by defining liberty, but then I decided that those guys at oxford probably did that well enough for me.
liberty
Pronunciation: /ˈlɪbəti/
noun (plural liberties)
[mass noun]the state of being free within society from oppressive restrictions imposed by authority on one's behaviour or political views:compulsory retirement would interfere with individual liberty
the state of not being imprisoned or enslaved:people who attacked phone boxes would lose their liberty
the power or scope to act as one pleases:individuals should enjoy the liberty to pursue their own preferences
Philosophya person's freedom from control by fate or necessity