A sadist.
A beach-goer. Someone who enjoys the beach.
Craftist ex. Olivia Nolan is an expert craftist
Someone who enjoys giving pain is a sadist. Someone who enjoys receiving it is a masochist. I'm not sure if there is a special word for someone with both, or if they are simply sadistic and masochistic. Sadomasochist
A person who enjoys being in trouble can be called a thrill-seeker or a troublemaker.
Someone who enjoys disco dancing.
A bibliophile.
Usually you would call the person a reader.
Usually you would call the person a reader.
A person who laughs alone can be called a "solitarian" or simply someone who enjoys their own company and finds joy in their own thoughts.
Emetophilia
An arrow can also be called a bolt, or a quarrel.