A Spanish Jesuit who spent four decades ministering to enslaved Africans arriving in Cartagena, Colombia, calling himself their slave.

Peter Claver was a Spanish Jesuit priest who ministered for over four decades to enslaved Africans arriving at the port of Cartagena, Colombia, signing himself “slave of the slaves forever.” He died there on September 8, 1654, at about seventy-three years old, and was canonized in 1888.

Quick Facts

• Died: September 8, 1654, Cartagena, Colombia (about age 73)
• Venerated as: Priest and pastor
• Beatified: 1850
• Canonized: 1888
• Patron of: missionary work among enslaved and oppressed peoples

Who Was Saint Peter Claver?

Peter Claver joined the Society of Jesus in Spain and was sent to the Jesuit mission in the Kingdom of New Granada, arriving at Cartagena, then one of the principal ports through which enslaved Africans were brought to the Americas. He devoted the rest of his life to meeting incoming slave ships, providing food, medical care, and religious instruction to people who had just survived the brutal transatlantic crossing.

Historical Setting

Cartagena in the seventeenth century was a major hub of the transatlantic slave trade, and enslaved Africans arriving there endured horrific conditions both during the crossing and upon arrival; the Spanish colonial church did not oppose the institution of slavery itself in this period, but individual missionaries like Claver worked within that unjust system to provide what direct human and spiritual care they could to its victims.

Why the Church Remembers Saint Peter Claver

Peter Claver is remembered for the sheer consistency of his ministry — by his own estimate, and later biographers’ tallies, personally baptizing and catechizing hundreds of thousands of enslaved people over four decades, learning what he could of African languages through interpreters, and insisting on treating each arriving person with individual attention and physical care rather than mass, impersonal ministry.

Canonization and Feast Day

Peter Claver was beatified in 1850 and canonized by Pope Leo XIII in 1888, who also declared him patron of missionary work among enslaved and oppressed peoples worldwide. His feast is kept on September 9.

What Catholics Can Learn Today

Peter Claver’s ministry did not end slavery, and Catholics today rightly recognize the moral failure of an institutional Church that too often tolerated or profited from that system; his witness matters precisely because, within those grave limits, he still chose direct, dignified, personal care for people the wider society treated as property.

A Prayer to Saint Peter Claver

Saint Peter Claver, slave of the slaves, who saw the full humanity of those your world refused to see, give us your eyes for anyone our own society treats as less than fully human, and the will to serve them personally rather than from a distance. Amen.

Sources

• Vatican.va, canonization records, Pope Leo XIII, 1888
• Butler’s Lives of the Saints
• New Advent, Catholic Encyclopedia, “St. Peter Claver”