Does Apostle Paul & Christianity Endorse Slavery?

lder Jude, the sibling of our Lord Jesus Christ encouraged us as follows, in Jude 1:3-4 Although I was very eager to write to you about the salvation we share, I felt compelled to write and urge you to contend for the faith that was once for all entrusted to God’s holy people. For this reason, I address a smear that I saw making the rounds on social media. I hope it blesses all hearers