It's not white versus black any more, it's haves versus have-nots. Unless the black middle-classes unite to promote the interests of the black underclass, tension between them is inevitable. What we, the black middle class have to do, is think of a strategy to avert that.
Sanctification is not to be understood here as a separation from ordinary use or consecration to some special use, although this meaning is often present in Scripture, sometimes referring to outward and sometimes to inward or effectual separation.