Babylon
: a country of Babylon in lower Mesopotamia
Christian
: any person, male or female, who is committed to following Christ.
Gentile
: a non-Jewish person
Mark
: a nephew of Barnabas and companion of Paul; author of the Gospel of Mark
Silas
: a man who went with Peter and Paul on separate missionary journeys
Silvanus
: a man who was a leader in the Jerusalem church chosen to accompany Paul