You would be called any of the following, depending on the situation:
A teacher who teaches deaf children sign language is typically called a sign language instructor or a sign language teacher for the deaf.
Sign language Teacher/Instructor
A person who teaches people how to speak a language is called a language instructor or language teacher.
Yes, you have to be able to speak at least one language.
A person who helps others speak a language is often referred to as a language tutor or a language instructor.
A person who can speak more than one language is called a polyglot.
No, Italians speak a Romance language called Italian.
If you don't know what he wanted it is hard to answer your question as we certainly don't know what he wanted.
a language called Chinook
Speak to the teacher about it, if it continues then report it to the principal.
The English speak countries want English be the world language
The main language spoken in Portugal is Portuguese.
Their native language (which is also called Bith)
Yes, you can learn to speak a Semitic language such as Arabic, Hebrew, or Amharic through language courses, online resources, and practice with native speakers. Immersion in a language-speaking environment can also accelerate the learning process.