Sin separates us from God. The wages of sin is death. Romans:6:23;
Idolatry means to put anything ahead of God in our lives. God wants us to seek and follow him above all. A symptom of idolatry is that you follow your own selfish desires first.
Flesh. Carnality. Following the fleshly desires. The opposite of a Holy Spirit-led life.
Tribulation is guaranteed, the only question is when? Along the route or for sure at the end of this road.