rabbinist

from The Century Dictionary.

• noun Among the Jews, one who adhered to the Talmud and the traditions of the rabbins, in opposition to the Karaites, who rejected the traditions. See rabbinism.

from the GNU version of the Collaborative International Dictionary of English.

• noun One among the Jews who adhered to the Talmud and the traditions of the rabbins, in opposition to the Karaites, who rejected the traditions.