This was the question asked at the beginning of Jesus' ministry, and it is the question that has been asked for the last 2000 years, even to this day. The question is, who is this man name Jesus?
Putting action to your faith takes training. You train yourself by making a conscious effort to put the Word first and foremost in your life. If your faith works by love, then you must training in love to maximize your faith.
How we perceive God's love for us will determine the depth of our Christian walk and how we relate to people.
Love your neighbor as yourself. Just as God has loved you, so you must love one another.