Acts 11:1-30 - What does it mean to "receive," "believe," "confess/profess." call upon"?

Here are some of the questions Dr. Bob will try to answer tonight by walking us, verse-by-verse, through Acts 11

Why was Gentiles receiving Christ such a theological problem?

Is repentance a gift of God (Acts 11:18) or a covenant requirement (Mark 1:15; Acts 3:16,19; 20:21)?

Why did Barnabas go and seek for Saul (Paul)?