As far as I remember that is our standard MO when integrating large batches of potentially troublesome immigrants.
Mixing them with our tame Ironborn, braavosi crews, royal fleet defectors, freed slaves and assorted piles of scum and villainy should quickly erode their cohesion. We are building quite a melting pot here.
[X] Have Azema organise a party. You and the others will attend in disguise and join the merry making.
-[X] Once everyone but the party is slightly tipsy, reveal yourself and convince them of all the benefits of joining you. (Use only VotD to prevent any molten brains.)
@DragonParadox, full speech or just bullet points?