If one person says they are a worshiper of God, no matter what religion they claim to be, how can you tell?
God’s word at Matthew 7:16 tells us by their fruits you will recognize them.
What fruits will identify them as true Christians. 2 main fruits true Christians must have:
1) Love for God. Putting him first and keeping him first in our lives. What ever we do, God must be priority.
2) Love for neighbors. We show love for our neighbors by following the foot steps of Jesus and living up to his command by our preaching and teaching work, by giving them the opportunity to come into a relationship with the Most High in the universe. The opportunity to reconcile with their maker and live the best life ever now and into the future forever.