It's part of Jacob's gay religion lore. From Temple of Serenity:wtf is a Rokat Empire?
"In the beginning there was only Rokat who dominated and enslaved the world. In tyranny everything was ruled. An empire was built by the Rokat and it spanned the cosmos. One billion worlds are enslaved to the will of the Rokat. There is no love, no harmony, just greed and a lust for power."
Also, this isn't new information (almost a week old) but Jacob posted some pictures on Reddit of his Chris shrine from after he bought the pride blanket: