There are many names of God with which He identified Himself to His servants in the Old Testament like Elohim, El-Elyon, Adonai, El-Shaddai El-Roi and more…… But there are various titles of Jehovah or the redemptive names of God which is used as a compound name with other names to reveal the nature of God and His character, in regard to meeting the needs of His people. David the Psalmist used seven such covenant names of God, to establish his relationship with God, just the way a sheep would relate with its shepherd.
On flipping through the scriptures from Genesis to Revelation, in search of the nicest man who never knew the way to God - you will undisputedly find him in Acts Chapter 10. He hailed from Caesarea, a centurion (one who had a hundred Roman soldiers under his command), of what was known as the Italian cohort (Roman military unit) and his name was Cornelius.