bema
The area at east end of the naos in Byzantine churches, containing the altar, also referred to as the presbetery or hierateion (sanctuary). In these area take place the Holy Eucharist.

protospatharios
The first spatharios. A higher byzantine official of the imperial hierarchy which usually permitted participation in the senate. It was awarded even to eunuchs. After the 11th century, it gradually lost its importance. It was also an honorary title.