Connection, incorporation, all of these are signs of broken souls, broken desires coming closer together when they feel how far they are from each other but try to come closer. They have a goal to reach the most correct form of the corrected soul, to become one person with one heart, and to restore the system of Adam HaRishon.
The next step in this rapprochement is Arvut (mutual guarantee). This is no longer a simple incorporation, penetration into each other’s desires, but a willingness to exist instead of a friend. It is an active action.
Incorporation can still be egoistic, but mutual guarantee obligates each of us to act for the sake of the other. Therefore, mutual guarantee is an action that completes our corrections.
Complete mutual guarantee means that each one includes qualities of all the others in himself, all the qualities, desires, and thoughts created by the Creator in the common soul of Adam HaRishon. The entire complete soul and every part of it become completely identical, that is, the general and the particular become equal to each other. This equality of the general and the particular is the sign of the corrected spiritual Kli.
It is important the mutual guarantee to come from our sense of responsibility toward the Creator. That is, I am ready to be a guarantor for everyone in the system of Adam HaRishon, for the entire common soul, replacing anyone in his place, and answer for him before the Creator. It turns out that I am responsible for correcting the entire common soul of Adam.
In an effort to reach mutual guarantee, I try to find in what I can replace my friends in order to take upon myself more and more of their responsibilities. I find out what they have to do for the created beings and for the Creator, and I am ready to take it upon myself. The mutual guarantee obligates me to this.
We are able to replace each other because we originally belonged to the same soul and only the shattering separated us from each other, made us opposite. It is precisely this distance that separates us that we can fill with love, as it is said: “Love will cover all crimes.” Then we reach a truly powerful Kli, which is 620 times larger than before the shattering.
The complete correction of the soul of Adam HaRishon is reached through the complete guarantee of each part for all the others parts: everyone is included in everyone, each part includes the whole, and thus, we reach the perfect Kli.
In spirituality, the particular and the general are equal and there is no difference between them. Therefore, the mutual guarantee can be realized only after complete incorporation and responsibility like people sailing in the same boat, if they drown, they drown together.
Through incorporation and mutual guarantee, even the smallest, secondary Kli contains all the Kelim within itself and is able to perform the functions of the entire common soul. There is no difference between this particular soul and the general soul.
Because of the mutual guarantee and the willingness of each one to replace the other, it turns out that everyone includes the entire soul of Adam HaRishon and is capable of serving everyone if the need arises.
From the Daily Kabbalah Lesson 3/4/21, “The Mutual Guarantee”