This Melchizedek was king of Salem and priest of God Most High. He met Abraham returning from the defeat of the kings and blessed him,
References for Hebrews 7:1
and Abraham gave him a tenth of everything. First, the name Melchizedek means “king of righteousness”; then also, “king of Salem” means “king of peace.”
Without father or mother, without genealogy, without beginning of days or end of life, resembling the Son of God, he remains a priest forever.
References for Hebrews 7:3
Just think how great he was: Even the patriarch Abraham gave him a tenth of the plunder!
References for Hebrews 7:4
Now the law requires the descendants of Levi who become priests to collect a tenth from the people—that is, from their fellow Israelites—even though they also are descended from Abraham.
References for Hebrews 7:5
This man, however, did not trace his descent from Levi, yet he collected a tenth from Abraham and blessed him who had the promises.
References for Hebrews 7:6
And without doubt the lesser is blessed by the greater.
In the one case, the tenth is collected by people who die; but in the other case, by him who is declared to be living.
References for Hebrews 7:8
One might even say that Levi, who collects the tenth, paid the tenth through Abraham,
because when Melchizedek met Abraham, Levi was still in the body of his ancestor.