"raised the great shepherd of the sheep, our Lord Jesus, to life"
# the great shepherd of the sheep
Christ in his role of leader and protector of those who believe in him is spoken of as if he were a shepherd of sheep. (See: [[rc://en/ta/man/translate/figs-metaphor]])
# by the blood of the eternal covenant
Here "blood" stands for the death of Jesus, which is the basis for the covenant that will last forever between God and all believers in Christ. (See: [[rc://en/ta/man/translate/figs-metonymy]])
# equip you with everything good to do his will
"give you every good thing you need in order to do his will "make you capable of doing every good thing according to his will"
# working in us
The word "us" refers to the author and the readers. (See: [[rc://en/ta/man/translate/figs-inclusive]])