The two men -- master and slave -- hadn't seen each other in more than a decade.

CNN: Slave master becomes an abolitionist

The question one must ask, even as an ardent capitalist, is whether capitalism is master or slave to man.

ECONOMIST: A voice of dissent

The slave master-turned-abolitionist made that journey from ignorance to enlightenment.

CNN: Slave master becomes an abolitionist

But one slave-master, a Tuareg chief called Arissal Ag Amdague, said last year that he would free all 7, 000 of the human chattels that he and his clansmen owned.

ECONOMIST: Niger decides not to free its slaves

It has liberated the master as well as the slave from a relation which wronged and enfeebled both.

CNN: Why inaugural speeches mostly fail

Individuals must learn to master their finances before they become a slave to debt.

FORBES: Do We Take Debt Seriously Enough?

In 1772 Lord Mansfield, a judge, ruled that a runaway slave there could not be forced back by his master to the West Indies.

ECONOMIST: Millennium issue: Slavery

Often slaves were freed upon the death of the master or mistress, whose will might include legacies of money to enable the manumitted slave to wed and earn a living.

WSJ: Less Familiar Faces | Revealing the African Presence in Renaissance Europe | Princeton University Art Museum | By Barrymore Laurence Scherer

Crusoe is on a slave-trading mission when his trip goes awry, and he seems to be Friday's master, not his equal.

WSJ: Fiction as Authentic as Fact | Robinson Crusoe | Daniel Defoe | Masterpiece by Danny Heitman