Can you see the importance of the book of James to the twelve tribes when they are scattered in the tribulation? It has great doctrinal significance to this time period for Israel. Read it through this lens and you will see.
James tells his audience, the twelve tribes, to look to Job for patience.
7 Be patient therefore, brethren, unto the coming of the Lord. Behold, the husbandman waiteth for the precious fruit of the earth, and hath long patience for it, until he receive the early and latter rain. The coming of the Lord is pointing to the Second Advent of Christ where the King shows up AFTER the rainstorm(Hosea 6:3). The precious fruit of the earth is the Jewish "firstfruits to the Lamb" right at the end of the tribulation(Rev. 14:4). The Lord has been long patient with Israel.
8 Be ye also patient; stablish your hearts: for the coming of the Lord draweth nigh. The is the Second Advent of Christ. James says it is near, literally.
9 Grudge not one against another, brethren, lest ye be condemned: behold, the judge standeth before the door. The Judge, Jesus Christ is standing at the door, ready to open the door and return as Judge of the earth.
10 Take, my brethren, the prophets, who have spoken in the name of the Lord, for an example of suffering affliction, and of patience.
11 Behold, we count them happy which endure. Ye have heard of the patience of Job, and have seen the end of the Lord; that the Lord is very pitiful, and of tender mercy. Why Job? Job's 42 chapters has long been a picture of the 42 months of great tribulation. Israel will lose everything and must endure to the end. Those who endure to the end of the tribulation will be given greater things than the beginning, and will be ushered into the Millennial reign of Christ.
17 Elias was a man subject to like passions as we are, and he prayed earnestly that it might not rain: and it rained not on the earth by the space of three years and six months. Why Elias? Elias will be brought back as one of the two witnesses before the earth proclaiming the coming of the Lord. Elijah will us a 3 1/2 year drought as a sign
18 And he prayed again, and the heaven gave rain, and the earth brought forth her fruit.