Three absolute essentials for witnessing are these: guidance, faith, and to keep a close relationship with God.

 For guidance in witnessing.  As we go out, boldly, into the world to witness, we need guidance.  Many (including myself) have witnessed boldly but have miserably failed because they lacked guidance.

In this regard, I urge you fellow believers to make Christ Lord in your heart, and pray that He would prepare your heart to witness—that He would make you willing and able to witness (1 Pet. 3:15); also, that He would fill you with knowledge and discernment, and that you would be so full of the love and compassion of Christ that others would see it and give glory to God (Matt. 5:16).

Secondly, with your heart more prepared, pray for the Holy Spirit to lead you to those He wants you to witness to—to those He has prepared…