You may warn, comfort, and confront God's people but only the Lord is able to present them as holy and blameless.
Idolatry for the Apostle John is any idea of the true God that is not in keeping with his self revelation in Jesus Christ.
It is the task of the Gospel minister to diligently and faithfully preach the Word of God which God has promised to not return void.
As you go forth into the service of the Lord, find comfort in the fact that there are things that death cannot touch.
The Apostle Paul reminds the Corinthians and us that changing the gospel jeopardizes its saving effect.