Korean used to be a language spoken only on the Korean Peninsula and by nearly 10 million Koreans overseas. But in recent years, it has become one of the fastest-growing choices for foreign language learners around the world, thanks to the sweeping, universal appeal of Korean dramas, shows and pop music. Behind the rapid increase of learners are committed teachers with the passion to help earnest young people pursue their dreams despite various predicaments. Their pay depends on the country or t