Twitter Facebook Fight IS, start 'revolution': Why foreigners join Syria Kurds lyrics 7:17 AM AFP news agency , CONFLICT , IS , KURDS , News & Politics , RAQA , SYRIA , VOICED , VOLUNTEERS , WEB Captivated by the idea of fighting jihadists, or dedicated to starting a "revolution," foreigners have diverse reasons for joining the Kurdish People's Protection Units (YPG) in northern Syria.