Do people with lots of friends and active social lives look down on lonely people?

I cant shake the feeling that everyone looks at me with pity and as inferior if they discover that I'm pretty lonely. Especially people with partners and active social lives. I self sabotaged getting to know these types of people 2 years ago because I couldnt believe that any of them looked at me as an equal and all secretly judged me as being a loser. Theres no way they dont.