A person who lies frequently is often referred to as a "liar." More specifically, if someone lies habitually or compulsively, they may be described as a "pathological liar." This term indicates a pattern of dishonest behavior that is often rooted in deeper psychological issues.
liar
This means that the person lies a lot and they like doing it.
A person who lies convincingly and artistically is called a pathological or compulsive liar.
A person who lies to themselves or twists the truth is called a 'denier.'
A person who studies a lot is often called a "bookworm" or a "knowledge enthusiast."
A person who hates lies is often referred to as someone who is truthful, honest, or sincere. They may also be called straightforward or candid.
Spoken lies that defame another person are called slander. When the lies are in print or other media, it would be called libel. Various laws either allow defaming insults, or (conversely) allow legal action against them.
It is called "hustling".
optimistic
Smart
A person who always lies is called a liar.
delusion