FREE

1. not restrained by authority or external forces.
2. without payment or charge
3. pertaining to or reserved for those who enjoy personal liberty
4. having immunity or being safe

-free
A suffix meaning not containing, as in "[sugar]-free [shit]"
--Heinemann Australian Dictionary--
--http://dictionary.reference.com/browse/free--

Free spirit
inclined to explore life and taste new experiences that hold true to the deepest parts of themselves versus being influenced by what the masses around them are doing. ~ think freely and have the courage to hear their own voice and follow their own integrity.
--http://en.wikipedia.org/wiki/Free_spirit--