# holy brothers
"holy brothers and sisters" or "my holy fellow believers"
# you share in a heavenly calling
"God has called us together"
# the apostle and high priest
Here the word "apostle" means someone who has been sent. In this passage, it does not refer to any of the twelve apostles. Alternate translation: "the one whom God sent and is the high priest"
# of our confession
"whom we confess" or "in whom we believe"