'Living God' in the Bible

My brothers, take care that there is not by chance in any one of you an evil heart without belief, turning away from the living God:

How much more will the blood of Christ, who, being without sin, made an offering of himself to God through the Holy Spirit, make your hearts clean from dead works to be servants of the living God?

We may well go in fear of falling into the hands of the living God.

But you have come to the mountain of Zion, to the place of the living God, to the Jerusalem which is in heaven, and to an army of angels which may not be numbered,