The Keepers of the Peace is one of the largest organisations on Eren B. They are a holdover from the time before the Fall, though their exact origins is still under debate. They are a religious military group that is dedicated to preventing unnecessary wars between the many nations of Eren B, though what exactly is considered an "unnecessary" war varies greatly between the many sects. Besides maintaining peace, the Keepers also provide aid during natural disasters- a common occurrence due to Eren B's partial terraforming, uphold the tenants of the Charter- the Keeper's holy book, and protecting the people of Eren B- though once again different sects have very different views on who deserves protection.
Pictured here is a foot soldier of the eastern Larothan sect of the Keepers. He is wearing a blue headwrap, blue headwear being one of the symbols of the Keepers, and headwraps being almost universal among the people of Laroth- the partial terraforming of Eren B left it with a very thin ozone layer, which combined with the desert environment of Laroth makes covering up very important. On top of the headwrap, he's wearing an olive wreath, another symbol of the Keepers, though wearing actual olive leaves is not something every sect does.
He's armed with a spear and shield, with a sword as a sidearm. While firearms have become widespread in other parts of the world, a lack of saltpeter in eastern Laroth means that melee weapons are still standard there.
On his belt are a couple potions, which I will probably retcon, a syringe and a gas bottle. Not sure what to do with those yet.
Eren B is a Mars-sized moon that orbits and is tidally-locked to a Jupiter-sized gas giant. It has been partially terraformed however it still is a pretty hostile environment and has no native life. The people living on Eren B have regressed to a medieval-renaissance level of technology after the fall of humanity's interstellar empire (the reasons for which I haven't figured out yet)