As a gay guy I can say with extreme confidence that he'd be marginalized extremely and outright shunned for his appearance. While hooking up is still a big thing for the gay community, our standards are infinitely higher than the straight community (which is why it's laughable when straight guys get scared in the locker room whenever a gay guy enters the room). A big thing in the gay community is looks, you got to have the right hair, body, legs, clothes, walk and "package" otherwise you ain't getting nowhere.
Even in the online dating apps and websites Chris would receive little attention because of his age and appearance. On a lot of online profiles the mantra of a lot of people is "No fats, femmes or asians/blacks/mexicans/arabs". Chris' tomgirl status would count as being Femm (gay guys who act super feminine and girly rarely get laid) and his overweight status would repulse most people.
And that's not even counting his lack of hygine