Even the lowest of the low have the Atman (Soul) inside, which never dies and never is born, immortal, without beginning or end, the all pure, omnipotent and omnipresent Atman!
The universe is large and we are tiny, without the need for further religious superstructure. One can have so-called spiritual moments without belief in the spirit.
In all conversation between two persons, tacit reference is made, as to a third party, to a common nature. That third party or common nature is not social; it is impersonal; is God.