1)
Why does it say that he is a Chaver to Yir'ei Hashem?
1.
Radak: He loves Yir'ei Hashem so much that he becomes their friend. However, he hates Resha'im.
2.
Malbim: Not only did he himself do Mitzvos. He made groups [to do them], to increase merit according to the number who do! I joined with every group for a Mitzvah.
