a walking dictionary
A person who knows the dictionary by heart is often referred to as a lexicomane or a lexiconophilist.
You can call a person who knows what they want assertive, decisive, or self-assured.
a very intelligent person.
A person receiving a telephone call is a "callee". http://www.merriam-webster.com/dictionary/callee
A walking dictionary?
Lexicographer - A writer, editor, or compiler of a dictionary..!!
vulcanologist.
you call them a computer tech
A person who knows three languages is typically referred to as a trilingual.
The inhabitants of Paris, France which are born there are call {Parisians}. From TheFree Dictionary.
Educated.
A person who is in touch with themselves
a animal wisperer