1: For this Melchiz'edek, king of Salem, priest of the Most High God, met Abraham returning from the slaughter of the kings and blessed him; 2: and to him Abraham apportioned a tenth part of everything. He is first, by translation of his name, king of righteousness, and then he is also king of Salem, that is, king of peace. 3: He is without father or mother or genealogy, and has neither beginning of days nor end of life, but resembling the Son of God he continues a priest for ever.
http://etext.virginia.edu/etcbin/rsv2www?specfile=%2Ftexts%2Fenglish%2Freligion%2Frsv%2Frsv-pub.o2w&query=Melchiz%27edek&docs=TEI2&sample=1-100&grouping=work and alsohttp://etext.virginia.edu/etcbin/rsv2www?specfile=/texts/english/religion/rsv/rsv-pub.o2w&act=surround&offset=2910851&tag=Genesis,+chapter+14&query=Mel-chiz'edek
was he an angel or possibly Jesus before he was flesh?
Mel-chiz'edek King of Salem.
The meaning is follows:
Melchizedek = King of the elect
Salem = peace
So it is -
King of the elect King of peace.
Thou this could be another being it fits Christ to a tee.
And I believe it was (is)
Melchizedek was at the time of Abraham was king of Salem and high priest to the God of Abraham and it is the first time a tithe was made. Abraham tithed to Melchizedek.