Conversation so far:
Are there any interesting aspects about Francis Bok's capture?
Seven-year-old Francis Bok was captured by Giemma, a member of the slave hunting militia, who forced him to join a caravan of slaves, stolen produce, livestock and wares.
What happened to him after his capture?
Francis was beaten by his captor's children with sticks and was called abeed. He was forced to tend the family's herds of livestock.
How long was Francis Bok forced to tend the family's herds of livestock?
Francis Bok began a ten-year period of slavery at the hands of Giemma and his son Hamid.
Did Francis Bok ever try to escape his ten-year period of slavery?
Bok tried twice to flee from slavery at the age of 14.
What else did Giemma force Francis Bok to do besides join a caravan of slaves, stolen produce, livestock and wares?
Giemma forced Francis to convert to Islam and to take the Arabic name of Abdul Rahman, meaning servant of the compassionate one.“

Question: What else was he forced to do?
Self-contained rewrite: What else was Francis Bok forced to do besides convert to Islam?