Saint Barnabas is an important Saint we can learn from given he was both an apostle and martyr. He is mentioned in the New Testament of the Bible. He is also known as Joseph Barsabbas (Greek: Ἰωσέφ Βαρσαββά) or Joseph Justus (Greek: Ἰωσέφ Ἰόστου). Here's what we know about him from the Bible!