My kids call me "Dad".
This would be either an eavesdropper or a snoop.
Learning nouns is useful if you wish to speak to others or to write something. Nouns are words that standardize what we call people or things. If everyone called a thing by any word they wanted, each of us would speak our own personal language which others could not understand. Nouns are very useful for communication.
Dolls that appear to speak might be called ventriloquist dummies, so one who makes the dolls appear to speak would be called a ventriloquist.
A know it all, or insecure. Either one of these qualities would cause a person to not like being told they are wrong.
A person who helps others speak a language is often referred to as a language tutor or a language instructor.
A person who does not speak is called mute or nonverbal.
You call them 'mute'.
mute
quiet
A person who can speak two languages is called a bilingual.
Wimp runners
If you want to call her do it when you feel comfortable but it is always best to speak in person.
If someone is unable to speak, it's called being 'dumb'.
no you dont
Hysterical.
Some countries call it español. Others call it castellano.