young Turk

noun2

1. •
   A young person who agitates for political or other reform; a young person with a rebellious disposition.

   • He arrives at a time when jazz's discontented Young Turks have disdainfully turned away from their audiences and gone off to explore the way-out. — 1966
2. •
   (historical) From the late-19th to the early-20th century, a member of a movement that campaigned for reform of the Ottoman Empire.