[quote:1up4tdlm][i:1up4tdlm]Who is this God and how do we know about him?[/i:1up4tdlm]
This is the route I was going to go next (and still am).
It is impossible to adequately describe God with human terms but we can do the best we can with what has been revealed to us over history and in the Scriptures (Bible).
God is just, merciful, loving, creator, father, son, holy spirit, omniscient, omnipresent, mighty, … [please feel free to add]