What is the meaning of Libertine?

Someone freed from slavery in Ancient Rome; a freedman.

One who is freethinking in religious matters.

Someone (especially a man) who takes no notice of moral laws, especially those involving sexual propriety; someone loose in morals; a pleasure-seeker.

Dissolute, licentious, profligate; loose in morals.

feminine singular of libertin

plural of libertina

vocative masculine singular of lībertīnus

Source: wiktionary.org