It was God's purpose to bring us into being [spiritually] by the message of truth, so that we could become a kind of "firstfruits" of those He created. [Note: "Firstfruits" here suggests either that Christians are the best of all of God's creatures (Num. 18:12), or that they were the first to be converted, with many more to come].

Be not many of you teachers, my brethren, knowing that we shall receive heavier judgment.

For in many things we all stumble. If any stumbleth not in word, the same is a perfect man, able to bridle the whole body also.

Your wealth has rotted and is ruined and your [fine] clothes have become moth-eaten.

let the [latter] one know that the one who has turned a sinner from the error of his way will save that one’s soul from death and cover a multitude of sins [that is, obtain the pardon of the many sins committed by the one who has been restored].