What religious denomination does he belong to?

他属于派?

When he was sixteen he joined a religious sect.

他16岁的时候加入了一宗派。

Calvinists believed that every person was predestined by God to go to heaven or to hell.

卡尔文派认为上帝已为每人预定了上天堂是下地狱的命运。

Jewish clergy of all denominations.

不同派的犹太士。