“Because he is black, he will never get ahead, because never getting ahead applies to the black population”
The conclusion and the argument support each other, and neither have elements of truth. There is no evidence that black people, or any other race of people for that matter are either capable or incapable of getting ahead. It also has no limits on what getting ahead means.
Fallacy of Authority relates to an argument by illegitimate appeal to authority. In this argument there are several factors to consider, including ambiguity of a legitimate source, the relevancy of the authority, the bias of the authority