I'm still on ch 223 but I saw massive meme potential with Yasuke and had to make this and post it in the latest chapter discussion which is here. Thanks for feeding us with all these batch of chapters!
Probably to make his religion the official national religion of Japan, meaning that even if other religions get footholds Kennyo's will get priority support and benefits from the government. In return Kennyo would keep the others from getting big enough to try a religious coup.