The typical life path of someone who's very overpowered powerful but also not wanting to stand out in fear of being ostracised by society is to live somewhere off the grid, move to another continent starting anew, or idk hide in an abandoned dungeon or castle somewhere with your bestie.
But no, DICK SILVERs way to not stand out is to make a mysterious underground guild who has fairly favorable and FAMOUS reputation to help with any problems.
Yeah. Author lay off those contradiction coke you keep snorting will ya?
Even mc is already unlikable from the way he responds to all the obvious advances of all the women around him. Maybe MC just want a class change Sage ?