This would be a teacher or an assistant.
A person who teaches people how to speak a language is called a language instructor or language teacher.
monolingual or unilingual
The everyday language people speak is commonly referred to as colloquial language or vernacular. It is the informal and casual way of communication used by individuals in their daily lives.
Multilingual is the main one. Polyglot refers to someone who has mastered a number of languages.
A person who does not speak is called mute or nonverbal.
A person who teaches people how to speak a language is called a language instructor or language teacher.
monolingual or unilingual
I think a tri-lingual person.
It depends on what language they speak. There is no difference in what Jewish people call their parents and what non-Jewish people call their parents.
It depends on what language they speak. American and British Jews call it "school."
Some countries call it español. Others call it castellano.
The everyday language people speak is commonly referred to as colloquial language or vernacular. It is the informal and casual way of communication used by individuals in their daily lives.
The Assyrian language as you call it does not exist. The Ancient Assyrians are extinct and the language they spoke was Akkadian. The people that call themselves Assyrian today are actually of Aramean heritage and the language they all speak is forms of Aramaean/Aramaic and nothing else.
Multilingual is the main one. Polyglot refers to someone who has mastered a number of languages.
A person who does not speak is called mute or nonverbal.
A person who cannot hear or speak is typically referred to as deaf and mute, or deaf-mute. However, it is important to note that these terms can be considered outdated or offensive, and it is better to use person-first language such as a person who is deaf or communicates in sign language.
That depends on the religion of the person as well as their language.