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[Warhammer 40k] What is life like for a retired Ogryn Guardsman?

Being that the Imperial Guard *eventually* succeeds at taking back a world, and that their standard operating procedure is to just leave the guardsmen on that planet to resettle or colonize it, it is inevitable that at least a few thousand ogryn will sooner or later manage to survive to retirement. 

Being that Ogryn don't really have the intellectual capacity to take care of themselves post-training, more or less depending on the commissariat to guide them through life, what might their life be like after essentially being retired and left to resettle/repopulate a planet? What about Bone'eads, with their marginally superior intellectual capacity, what would their life be like?
gpt
I’m guessing it depends on the type of planet they’ve been stranded on, the state of things post-capture, and which faction happened to assault the planet.

If the planet was attacked by Orks, Tyranids or Chaos, the Orgryn are likely to end up being very busy fighting all the tiny fires that pop up long after the main event is over. (I’m assuming a miracle intervention by a Space Marine chapter somehow managed to stop the Ork/Chaos/Tyranid invasion before they got too big of a foothold)

If the planet was former Tau territory, they’d probably be employed by the newly installed Planetary Governor as enforcers that beat up anyone still clinging on to thoughts about the “Greater Good”. That’s assuming the Inquisition doesn’t decide to just mass execute the billions of humans tainted by the alien ideology.

So basically they just join the local planetary defense force and/or law enforcement.

I don’t think the Imperial Guard would be sent for a Drukhari raid or an Aeldari attack. By the time the guard arrives, the belligerents would be long gone, and they don’t really hold territory that can be recaptured and colonized.

Either way, the claustrophobic Orgryn might have a tough time adjusting to life on a former Hive or Forge world.