User blog comment:Jopjopjop/Volume 18 Spoilers/@comment-82.178.203.123-20140623133047/@comment-16281343-20140623195638

They are the representatives, or used as symbols.

If the Maous are the president in a company, then the elder Devils and the FHB are the board of directors.

Ultimately, the Maous will obey on what the elder Devlils decided.