Parallel
Hebrews 5:3
Nestle 1904 Greek New Testament · Berean Standard Bible
καὶ δι’ αὐτὴν ὀφείλει καθὼς περὶ τοῦ λαοῦ οὕτως καὶ περὶ αὑτοῦ προσφέρειν περὶ ἁμαρτιῶν
That is why he is obligated to offer sacrifices for his own sins, as well as for the sins of the people.