lonewolf
/ˈloʊəwʊlf/Definitions
1. noun
A person who prefers to spend time alone or who is not easily influenced by others.
“He was a bit of a lonewolf, preferring to focus on his art rather than socialize with his peers.”
2. noun
A wolf that is alone or that does not belong to a pack.
“The park ranger spotted a lone wolf wandering through the forest, far from its pack.”