The Hebrew and Greek that is transliterated as “Baruch” in English is translated in Spanish Sign Language with a sign depicting “Assistant to Jeremiah,” referring to Jeremiah 36:4 et al. For Jeremiah as the “crying prophet” in sign language translation, see here. (Source: Steve Parkhurst)
“Baruch” in Spanish Sign Language, source: Sociedad Bíblica de España
For more information on translations of proper names with sign language see Sign Language Bible Translations Have Something to Say to Hearing Christians .