Final Shiur in Purim Series

Aaron seems to be explicitly excluded from the Avoda in the Mishkan. 9 times. His role in the Egel Hazav seems to evoke both Divine Fury and Divine Praise.

Sources:

Drashos Chasam Sofer Parshas Zochor ‘Vehikrivu.’ In the name of Baalei Hatosfos Al Hatorah

Vayikra Perek 1:1 - 5:13

Shemos Perek 32 Pesukim 1 - 35

Devorim Perek 9 Possuk 20

Midrash Rabba Vayikra Parsha 10 Perek 3

Commentery of Bee’r Yosef on Devorim 9:20

Gemara Sanhedrin 7 A

Midrash Rabba Shemos Parsha 52 Perek 2

Last Rashi on Megillas Esther