alogian

from The Century Dictionary.

• noun One of a sect which arose toward the close of the second century, and which denied the divinity of Jesus Christ as the Logos, or “Word” (John i. 1), and the authenticity of St. John's writings, which they ascribed to the Gnostic Cerinthus.

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

• noun (Eccl.) One of an ancient sect who rejected St. John's Gospel and the Apocalypse, which speak of Christ as the Logos.