What do movie star Orlando Bloom, who plays young pirate Will Turner in the "Pirates of the Caribbean" series, R&B diva Tina Turner and Shunsuke Nakamura, an ace midfielder for Scottish soccer team Celtic, have in common?

They all belong to Soka Gakkai, arguably the most powerful religious group in Japan, where mainstay Buddhism and Shinto do not play a part of daily life the way religions do in many other countries.

Following are questions and answers about Soka Gakkai: