There a many passages in the Bible that clearly show that God condones the practice of slavery (Deuteronomy 15:12-15; Ephesians 6:9; Colossians 4:1). Slavery is seen by God as a necessary part of His perfect creation and should be celebrated as such.
Confusion arises from Galatians 3:28 which states that there is ‘neither slave nor free’. The true interpretation of this passage is best understood as meaning that God see’s all His children as equal regardless of whether they are masters of slaves. It is not condemning the practice of slavery in any way.
This raises the question of the possibility of slave ownership in the 21st century. The reality is that there are estimated to be tens of millions of slaves still living in various places around the world today. However, we are bound to the laws of the land (Romans 13:1-7) and should therefore refrain from entering into the slave trade if it is prohibited in our country.
When societies abandon their Christian values important institutions like marriage and slavery are slowly destroyed. God gave us these practices for our own good so we could function morally and maintain ordered lives. When they are taken away we inevitably fall into sin and corruption. As Christians we should fight to restore God’s vision for man and seek the decriminalization of slavery.