Noble Persian eunuch Bagoas, beloved of Alexander the great.
“And indeed he even had a Persian as a trierarch, Bagoas, son of Pharnouches.â€
— Arrian (Indica 18.8)
Trierarch (Greek: Ï„ÏιήÏαÏχος, romanized: triÄ“rarchos) was the title of officers who commanded a trireme (triÄ“res) in the classical Greek world.