trierarch การใช้

A trierarch was entitled to a respite of two years.
A client of Lysias, for example, called service as trierarch " a dubious action ".
Thus, an anonymous litigant defended by Lysias claimed to have been choragos three years running and trierarch for seven years.
:I think a " trierarch " is more of a ceremonial title than simply the literal captain of a trireme.
As the name implies, the trierarch was responsible for the outfitting and crewing of a trireme, and for commanding it in battle.