@Pebi Don't know if you figurged it out yet, but here is my thought: He sees that the girl may have romance interest in his grandson, so if he takes her as step granchild, they would be related and can't marry, so disciple it is.
Well that guy was turned into a vampire, so isn't his blood now can infect others? Why would you want to wet the flag with his blood and wave it around? LUL!
"Ng" is the sound they make when "the sparkle shit" pumping up their throat right? Did I understand that right? I thought it would be something like "Ugh!" :D