Loner. I was an outcast also but part of it was my choice.
Back in the early '70' you had people described a jocks, and a group that was smart and hung out togeather. The terms "nerd" and "geek" were not used then, that was later. I was not part of the smart group i was getting grades what were called "Gentlemen C's". I do no know if the jocks or the smart group were a "subculture" but they were small minorities. Our teams always had losing records. There was no fraternities/sororities. Jocks were uncool and fraternities were viewed an institution from the past. When I went to college in the late '70's a fraternity formed, it was the first one there in 10 years.
The predominant group of people were called "heads". They were somewhat equivalent to what later was called "stoners". Heavy drug use, long hair, used dungarees, flannel shirts or tee shirts with their favorite rock group insignia. Progressive groups like Yes and Emerson, Lake and Palmer were the rock gods of the time. Zeppelin and Jethro Tull were very popular in my high school also. The "heads" were not hippies, that was over and done with, no protests or yoga, if you said "groovy" you would be laughed at. A lot of the "heads" ended up in the military and became cops or firemen.
If you were different at you were considered a "homo", "queer", or a "fa***t". So even though I am 100% heterosexual I guess I was in the "fa***t" group. But that made you a target not a part of a subculture.
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Professionally Identified and joined WP August 26, 2013
DSM 5: Autism Spectrum Disorder, DSM IV: Aspergers Moderate Severity
“My autism is not a superpower. It also isn’t some kind of god-forsaken, endless fountain of suffering inflicted on my family. It’s just part of who I am as a person”. - Sara Luterman