A Jacob's Ladder of Social Agreement

Corporation
Absolution of responsibility by owners in search of personal profit

Contract
Promissory agreement to fulfill

Constitution
Civil law as damage control and protection against abuse

Cooperative
Joint ownership of all and joint responsibility for performance of agreed services

Charter
A list of agreements seeking the common good

Covenant
Spiritual bonding agreement to seek and become higher moral actors together

Communion
Act of unification purposefully becoming the soul and spirit of another, of the other