The name that is transliterated as «Hermas» in English means «interpreter,» «herald or messenger of the gods, «sand bank.» (Source: Cornwall / Smith 1997 )
In Libras (Brazilian Sign Language) it is translated with a sign that shows that he will be the bishop of Dalmatia (see here ). (Source: Missão Kophós )
«Hermas» in Libras (source )
For more information on translations of proper names with sign language see Sign Language Bible Translations Have Something to Say to Hearing Christians .