bohemian:
(plural: ‘bohemians‘)
a Bohemian
a person, especially a popular writer or artist, who does not follow the usual rules of social life (traditions or customs), but obeys the laws of the land;
a gipsy/gypsy; a vagabond;
(always with a capital ‘B’, a Bohemian) a person belonging to a place called Bohemia in the Czech Republic,
Anthony Powell, a bohemian writer
My father was a bohemian, and many of my old relatives say he had trouble with his neighbours and colleagues.
The region of Bohemia was historically home to both Czechs and Germans, but the latter (the Germans) were driven away to Germany and Austria after WW II. (from www.dictionary30.com)
Collier’s book is the story of a young man trying to find love and success in bohemian London in the 1920s. (from www.wordnik.com)
