Acts 11:25-2625. Then Barnabas went to Tarsus to look for Saul,
26. and when he found him, he brought him to Antioch. So for a whole year Barnabas and Saul met with the church and taught great numbers of people. The disciples were called Christians first at Antioch.
Quite the contrary, Acts 11:26 tells us that Christian was originally applied as a synonym for "disciple of Christ."
A disciple (from the Latin discipulus, "pupil") is a student, follower, or adherent. The disciples of Christ were (and are) committed to following Jesus Christ and his teachings.
I too am committed to following Jesus Christ and his teachings, which makes me a disciple of Jesus Christ. According to Acts 11:26, that also makes me a Christian.