Final answer:
Samuel Crowther was captured and sold into slavery at a young age but later gained his freedom and became the first African Anglican bishop in Nigeria.
Step-by-step explanation:
Samuel Crowther's experience of enslavement aligns with the third option of the provided choices: he was captured and sold into slavery at a young age. This reflects the wider historical context where many individuals were forced into slavery through various mechanisms, such as being captured in warfare, punishment for crimes, or to pay off debts. Crowther endured the hardships of enslavement but eventually gained his freedom and went on to become the first African Anglican bishop in Nigeria, making significant contributions to the Christian missionary movement.