A loner.
hugger
A Hermit.
The term "pyromaniac" describes a person who enjoys setting objects on fire.
a person who likes word games
A person with low self-esteem. Or tired . Or lost faith. Better to be alone than to settle.
'Descriptor' is the name for a person who describes a person.
The word lonely is an adjective. It describes someone who is unhappy at being alone.
there is no such word
The one word that describes this person is PERFECT ...
A word that describes where a person is from is called a demonym. It typically refers to the residents or natives of a particular place, such as New Yorker for someone from New York or Parisian for someone from Paris.
logophile
Antidote