St Christodoulos the martyr, an Ethiopian slave of the 1st century AD (April 29th)

Ethiopian slaves! From here.

A part from the post Moses the Ethiopian, the Black Saint & Teacher (& other Ethiopian saints in the Orthodox Church)

...The Apostles Jason and Sosipater did not cease preaching the Gospel even in prison, and in this way they managed to attract seven famous bandits of the island to the faith, as well as the prison guard Anthony and the daughter of Kerkyllinos named Kerkyra. The fact that Kerkyra became a Christian made a significant impression on the people, thus increasing significantly the number of believers on the island. When Kerkyllinos was informed about this, he called for his daughter and tried to dissuade her.
This proved impossible, so in great anger he order her imprisonment, and even went so far as to send to the prison an Ethiopian to corrupt her. But once the Ethiopian approached the door of the prison he was attacked by a beast and seriously wounded. The Saint by her prayers healed him and he was then catechized. The result was that he became a confessor of the true faith and a martyr of Christ. [NOTE of our blog:
In my opinion, he is the st. Christodoulos the Ethiopian. His martyrdom occurred in the 1st century AD].

 Popular orthodox icon of st Christodoulos the Ethiopian (from here)

See also

Slavery today!
The Kingdom of Heaven, where racial discrimination has no place

St. John the Russian, the Free & Wonderworker Slave (May 27)
A family of slaves opposes an Empire: the Holy Martyrs Zoe & Hesperus, and their children sts Cyriacus & Theodulus
The Church as the Liberated Zone: "All we Christians are terrorists..."
Fr. Moses Berry, a descendant of African slaves, Orthodox priest and teacher in USA
 
About the Ethiopian Church today, see "Oriental Orthodox"