The name that is transliterated as “Erastus” in English is translated in Libras (Brazilian Sign Language) with a sign that is reminiscent of signs such as “treasurer” or “city administrator of the city” (in reference to Romans 16:23). (Source: Missão Kophós )
“Erastus” 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 .