sadducess
shia which is the sect of the majority in Iran
The Kurds belong to many different sects, most notably being the Sunni sect as the majority. There is also a the Shia sect from among Kurds, most from the Shia sect live in Iran and Iraq.
The Quakers
Shia
Rembrandt did not belong to an anabaptist sect.
the green one
Saddam did not really belong to a caste (perhaps dictator/leader?), but he did belong to the Sunni Muslims.
Nation of Islam
I believe that the majority of Iranians are Shi'a Muslims.
No. Most Armenians belong the Armenian Apostolic Church, which is a Christian sect.
Unfortunately she is a member of the ridiculous and doubtful sect of the so-called Scientology.
That depends entirely unpon what Christian sect you follow/belong to.