Beloved: The sign and the proof of one being a Christian is their Fruitful LIFE, they Walk in Light. Anyone can witness their Love, Compassion, Kindness, Forgiveness in their words and deeds, resulting from the change in their Thoughts and Intents of their heart from the Domination of CHRIST/Spirit of GOD in them...World can easily know a True Christian from their Life of: Righteousness, Justice, Love, Compassion, Forgiveness and Peace for all!!! Become and be a True Christian my friend!!!!