'Slave' in the Bible

There is neither Jew nor Greek, there is neither slave nor free man, there is neither male nor female; for you are all one in Christ Jesus.

no longer as a slave, but more than a slave, a beloved brother, especially to me, but how much rather to you, both in the flesh and in the Lord.

The kings of the earth, the princes, the commanding officers, the rich, the strong, and every slave and free person, hid themselves in the caves and in the rocks of the mountains.

He causes all, the small and the great, the rich and the poor, and the free and the slave, to be given marks on their right hands, or on their foreheads;

that you may eat the flesh of kings, the flesh of captains, the flesh of mighty men, and the flesh of horses and of those who sit on them, and the flesh of all men, both free and slave, and small and great."