There are many believers in the Lord who have responded to His call as found in the gospel concerning His atoning sacrifice. You will notice that this gospel is firmly rooted in the OT scriptures and has been eloquently expressed by Paul in 1 Cor 15 which is repeated below:
1 ¶ (AV) Moreover, brethren, I declare unto you the gospel which I preached unto you, which also ye have received, and wherein ye stand;1 (TR) γνωριζω δε υμιν αδελφοι το ευαγγελιον ο ευηγγελισαμην υμιν ο και παρελαβετε εν ω και εστηκατε This gospel was "gospellized", I say this to...