By faith Abel offered to God a better sacrifice than Cain did. By faith he was approved as a righteous man, because God approved his gifts, and even though he is dead, he still speaks through his faith.
He doesn’t need to offer sacrifices every day, as high priests do #– #first for their own sins, then for those of the people. He did this once for all time when he offered himself.
Therefore, he had to be like his brothers and sisters in every way, so that he could become a merciful and faithful high priest in matters pertaining to God, to make atonement , for the sins of the people.
Then Moses said to Aaron, ‘Approach the altar and sacrifice your sin offering and your burnt offering; make atonement for yourself and the people. , Sacrifice the people’s offering and make atonement for them, as the Lord commanded.’