Asarbus (Asariuus) was one of Priscillian of Avila’s lay disciples and probably joined his ascetic community at an early stage. He is mentioned in Priscillian’s first tractate and is indicated as the co-author of a Priscillianist libellus, together with Tiberianus and others:

although we condemned the doctrines of all the heretics by declaring our faith in numerous writings, and by the book of our brothers Tiberianus, Asarbus, and all the others, with whom we share a single faith and a single opinion. (Prisc. Tract. 1.4–7; see Conti, 2009)

Unfortunately, the libellus of which A…