The technical name for a raised platform is a dais. A dais is typically made for a queen or king to sit on, and it is located at the very front of a room.
A raised platform on which plays are often performed
it is called the butte
a stool, plinth, table, step, platform, altar, stage...
There is no special word for the steps in a synagogue. You may be thinking of the raised platform in the front or center of the chapel which is called a bima.
The pnix, devilishly annoying to pronounce The correct answer is bema
It is called a "bima" - pronounced "bee-MAH."
dias
A common platform for coffins is called a catafalque. It is a raised structure used during funerals or memorial services to display the casket or coffin.
Kang
Podium
The platform of the gallows is called the "gallows platform" or "drop." It is a raised structure from which the condemned person is hanged, typically featuring a trapdoor that opens to allow the person to fall and be executed. The design is intended to facilitate a swift execution by breaking the neck or causing death by suspension.
Ziggurat