For those of you out-of-the-know, Blueboy is a fag rag on the nice end of the spectrum (opposite Manmeat.)

It occurs because in canon Harry and Draco feel no emotion for each other warmer than intense dislike. […] Harry is willing to save Draco's life out of recognition of their shared humanity, but with apologies to all the Drarry shippers out there, that's as far as it goes.

[N]ow and then the two dress themselves roughly, like common men, and go out into the city to see what it's like to rub shoulders with the rest of the world.

At this stage the labourers still form an incoherent mass scattered over the whole country, and broken up by their mutual competition.