Not only are they facing an enemy without, they face an enemy within. Jewish lenders are charging contributors an interest rate and having them mortgage there physical holdings against the loan which is a violation of the Mosaic law. To take financial advantage and profit from those attending to God's purpose is an even more debase practice, just as likely to occur today.
His name is being changed from Jacob (supplanter) to Israel (he will rule as God). It not only marks a change in the present perception but, in the goal or direction spiritually for him to follow. Name changes were more common in that day and notated the turning over of a new leaf.
2012 - pBiblx2 Field Wise Bible System Version 2.0.9d - GPL3