A person who avoids the company or assistance of others. Synonyms:lone hand, lone wolf.
Lone
adjective
1.
Lacking companions or companionship. Synonyms:alone, lonely, solitary."She is alone much of the time" , "The lone skier on the mountain" , "A lonely fisherman stood on a tuft of gravel" , "A lonely soul" , "A solitary traveler"
2.
Characterized by or preferring solitude. Synonyms:lonely, solitary."A lonely existence" , "A man of a solitary disposition" , "A solitary walk"
3.
Being the only one; single and isolated from others. Synonyms:lonesome, only, sole, solitary."A lonesome pine" , "An only child" , "The sole heir" , "The sole example" , "A solitary instance of cowardice" , "A solitary speck in the sky"