Our Eternal Sibling

Our Eternal Sibling is an epithet used to refer to Overseer. It contrasts with Our Eternal Spouse which is for Underseer.

Overseer is a sibling because they are familiar and reinforcing, as a sibling is due to their shared genetics with you and shared upbringing.

Old Wikipedia description
Our Greatest Brother is the second member of the tribunal, linked to the present day, and the Terrestrial Kingdom, and Mithra-Varuna/Vishnu, and God the Son (important distinction is that this son is considered a brother to the believer in Evolutionism, while the Omega is the believer's son)

He corresponds to the Individual puzzle