Irritating?
A person who enjoys confusing others can be called a trickster or a manipulator. They may also be described as enigmatic or elusive.
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.
A person who is suspicious of the motives of others can be called paranoid or mistrustful.
A person who sacrifices themselves for others is often referred to as selfless or altruistic.
A person who only sees the negative in others may be called critical, judgmental, or pessimistic.
A person who laughs at others is typically referred to as a bully or a mocker. Their behavior can be hurtful and can negatively impact the well-being of those they are mocking.
A person who likes to hurt others is called a sadist.A masochist is a person who enjoys hurting themselves
Usually you would call the person a reader.
Usually you would call the person a reader.
A person who enjoys making others suffer is often referred to as a sadist.
A bibliophile.
A nuisance.
an exibitionist
They are called naturalists.
A beach-goer. Someone who enjoys the beach.
Countries are pieces of land. They don't have feelings. As for "American bullying", this is a nebulous concept. One person may call American influence "protective" or "defensive" and others will call it "bullying". However, no person enjoys being bullied.
You could call them a party animal. The life and soul of the party opposed to a party pooper.
a snitch