NET
20 where Jesus our forerunner entered on our behalf, since he became a priest forever in the order of Melchizedek.
Darby
20 where Jesus is entered as forerunner for us, become for ever a high priest according to the order of Melchisedec.
KJV
20 Whither the forerunner is for us entered, [even] Jesus, made an high priest for ever after the order of Melchisedec.