In my previous annotation, I claimed to have noticed a theme or motif of self-sacrifice on the part of Du Bois and the Talented Tenth, for the sake of improving their race (and by extension, he asserts near the end of the chapter, the American Republic as a whole). In addition, I attempted, maybe clumsily, to utilize Joseph Campbell's monomyth template as a convenient framing device for Du Bois's chapter.
The description of the laborious, miserable, almost Sisyphean task that was undertaken by Du Bois and other African Americans as "children of Emancipation" to overcome the obstacles between them and formal education matches Campbell's idea of "The Road of Trials."
The ideal of "book-learning" required that he and the select few other African American men who were managing to achieve classical educations, "the advance guard," toil continuously against the racist systems that were in place that obstructed them, with the help of "little but flattery and criticism."
There is more biblical imagery at work here as well. The "pillar of fire by night" is a direct reference to the visible and miraculous guide given to Moses and the Israelites who followed him. It was provided at night to lead them from the slavery they had escaped in Egypt to the promised land of Canaan.
But the recently emancipated Israelites struggled and encountered hardship after hardship for 40 years before finally reaching Canaan... a parallel not lost on Du Bois when he publishes this book exactly 40 years after the Emancipation Proclamation. He writes earlier in the chapter, "in the few days since Emancipation, the black man’s turning hither and thither in hesitant and doubtful striving has often made his very strength to lose effectiveness, to seem like absence of power, like weakness."
I would argue that W. E. B. Du Bois sees in himself and the rest of the "Talented Tenth" a responsibility to lead the all-too-recently freed African American community, something akin to Moses and his priests receiving a charge to lead the recently freed Israelites to their promised land. Much like Moses, Du Bois was initially resistant to this calling, and he certainly hasn't always enjoyed the task before, but he stepped up to the challenge.