φιλόκαισαρ

αρος, ὁ
A. loyal to the Emperor, SIG 804.11 (Cos, i A. D.), etc.; as epithet of Zeus Polieus, Mnemos. 55.265 (Coptos, iii A. D.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project