Does Ezekiel teach that Christians can lose their salvation? Part 3

Does Ezekiel 3:20-21; 18:24-26; 33:12-13, 18 teach that believers can lose their salvation? The NT clearly teaches that there are those who “look” like believers, but have not truly been born-again: 1 John 2:19 “They went out from us, but they were not of us; for if they had been of us, they would have continued with us. But they went out, that it might become plain that they all are not of us.” This is why we must be diligent to make our calling and election sure.