The Hebrew, Ge’ez, 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 .