Numbers 32:1
1 Now the children of Reuben and the children of Gad had a very great multitude of cattle: and when they saw the land of Jazer, and the land of Gilead, that, behold, the place was a place for cattle;
The Reubenites
The Reubenites, Gadites, and half-tribe of Manasseh, who chose their inheritance just outside the land, are types of world-borderers -- carnal Christians. What their descendants were when Messiah came is seen in (Mark 5:1).