Shincheonji
Shincheonji, founded in South Korea by Lee Man-hee in 1984, teaches that he is the Promised Pastor who testifies to Revelation's fulfillment and that its sealed twelve tribes are the 144,000, while Scripture shows that Christ alone is the Head, that He will return visibly, and that salvation is His free gift to whosoever will.
The lesson walks through the topic one card at a time. The full study is the complete written article, with its sources.
How Lee Man-hee founded Shincheonji in South Korea in 1984, and why members call him the Promised Pastor
What the group teaches about Revelation, parables, the 144,000, and salvation, from its own sources
How Scripture shows that Christ alone is the Head, that He returns visibly, and that He saves apart from any group
How free Bible study centers recruit, including groups that do not say at first who they are
How to share the Gospel with a member, guard a church without suspicion, and walk with a family