loner

/ˈloʊnər/
noun
  1. A person who prefers to be alone or who avoids the company of others.
    • He was always a loner, spending his weekends reading by himself.
    • She is not unfriendly, just a loner who enjoys her own company.
    • The new kid in class was a loner and rarely spoke to anyone.
Antonyms
What does "loner" mean? | whatsthatwordmean | whatsthatwordmean