The way you define yourself(eg: family man, software engineer ect) is definition of your relationship with the society. And anything that is defined is not 'wild'.
Instead of considering "wildness" as the observable actions of an individual (in our culture generally equated with "out of line"), consider "wildness" as the state-of-mind -- or the embodied, subjective experience of an individual -- in which that individual experiences themselves as a completely sovereign individual enmeshed in a web of relationships with other completely sovereign individuals.
There are many such wild humans living in our society even now. If you're looking for the guy running through the city in loincloth beating his chest and grunting gutturally, you won't find them.
You will find them if you look for people walking through the world almost like everyone else, except their eyes sparkle like the stars.
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And regarding your second point about having a role meaning that something is not wild: In the actual "wild", out there in the natural ecosystems of the world, roles and wildness existing very much hand in hand. Through a certain lens, biological diversity is exactly the separation of life into distinct and complementary roles.
Wildness is not a rejection of role. Wildness is the the complete and unreserved embodiment of who-you-are (your unique and undeniable role/roles) and the expression of that in relationship to everyone else.
So I can go murder someone I don't like because I am a 'wild human'. Personal freedom is different from social rules. You are not "wild" if you live in a society in any capacity.
Taken away by who though? There is no secret cabal called 'society' out there. You are the society. society is pure reflection of your actions, your thoughts, your relationship with others.
Society gives us security, no one is forcing people to send their kids to these 'wildnesss killing schools' but we do it because it gives use security and makes us feel safe. And that is the price you have to pay for that security, the security that your mind seeks. The conflict we think we are in with the society is merely a conflict within ourselves, the conflict of self that seeks both security and freedom .