Antipas
ANTIPAS (ăn'-tĭ-pas, Gr. Antipas). A contraction of Antipater. 1. An early Christian martyr of Pergamum, described as “my faithful witness” (Rev.2.13).
2. Herod Antipas, son of Herod the Great and brother of Philip the Tetrarch and of Archelaus, both of whom, like him, were rulers of parts of Palestine. See Herod.
International Standard Bible Encyclopedia (1915)
The name is an abbreviation of Antipater:
(1) A name of Herod "the tetrarch" (in Jos), son of Herod the Great, the brother of Archelaus (Mt 14:1; Lu 3:1; 9:7; Ac 13:1). See Herod.
(2) A martyr of the church of Pergamum, described as "my witness, my faithful one" (Re 2:13).