James, the brother of Jesus, has important things to say about suffering
The introduction of the letter written by James. Why start this way?
James doesn't depend on his family ties, but identifies belief and specifically, 'servanthood' as the basis of relationship with Jesus.
Why you ARE a Christian is why you STAY a Christian.
The root of your identity is why you endure challenges to a walk of faith.
The followers of Jesus, depend upon their identity in Christ, in order to withstand difficulty when trials do come.