lib·er·tine

ˈlibərˌtēn/

noun

1. 1.

   a person, especially a man, who behaves without moral principles or a sense of responsibility, especially in sexual matters.

   synonyms:

   philanderer, playboy, rake, roué, Don Juan, Lothario, Casanova, Romeo; More

2. 2.

   a person who rejects accepted opinions in matters of religion; a freethinker.

adjective

1. 1.

   characterized by a disregard of morality, especially in sexual matters.

   "his more libertine impulses"
2. 2.

   freethinking in matters of religion.

John Buchan. John Buchan/Lord Tweedsmuir was me. I don't believe that. Where the FUCK did THAT come from. What's the source for that, Independent?