Simeon Niger is a person in the Book of Acts in the New Testament. He is mentioned in Acts 13:1 as being one of the "prophets and teachers" in the church of Antioch:
In the church at Antioch there were prophets and teachers: Barnabas, Simeon called Niger, Lucius of Cyrene, Manaen (who had been brought up with Herod the tetrarch) and Saul.
References
Simeon Niger Wikipedia(Text) CC BY-SA