A Jonathan Stimson
Usually, when you tell lies, you want to hide something form someone. But dont always lie.
You can call them George Costanza.
A person who lies only when necessary can be described as a "compulsive liar" or "occasional liar."
a stalker
Not always, no.
A loser
Sociable
A person who always lies is called a liar.
You call them a snotty jerk. They are also selfish!
An Electrician
germaphobe.
a spouse