사이비 (Sa E B 似而非), 이단 (E Dan 異端), 이단아 (E Dan Ah 異端兒)

Korea has the largest number of churches in the world.

The largest church in the world is also in Korea.

Why is a small country like Korea truly religious?

Many Koreans say that living in such a fiercely competitive society is so difficult. That's why Many Koreans said have to go to church.

The word "사이비" (Sa E B 似而非) is often used when referring to a pseudo-religion. 

Similar on the outside but completely different on the inside. Or, when referring to something like that, the word "사이비" (Sa E B 似而非)  is used, and is often used in the religious field.

이단 (E Dan 異端) Cult or Heresy is a word that refers to a claim or theory that rebels against tradition or authority, and is a word that is widely used in academia as well as in religion. 

When you do something very unusual or in a way that's different from traditional, you're called 이단아 (E Dan Ah 異端兒)

In Korea, however, 이단아 (E Dan Ah 異端兒) means someone who innovates in dealing with things against tradition or authority. Innovation.

The company is a 이단아 (E Dan Ah 異端兒) in the food industry.

She's a 이단아 (E Dan Ah 異端兒) in our lab. She ended up connecting the project to sales.