Guessing Teacher

I have short straight black hair. I do wear glasses. I teach lessons using another language. Many people love to learn this language with me. Who am I?

You never see my hair. I teach lessons using Bahasa Indonesia. I teach about poems. Who am I?

I have short straight black hair. I do not wear glasses. I teach lessons about creating something colorful and make it more beautiful. Many people love to learn this lesson with me. Who am I?

I have long wavy black hair. I do wear glasses. I teach lessons using another language and it's about solving word problems. Who am I?

I have short straight black hair. I do wear glasses. I teach lessons about nutrition. Who am I?

I have short straight black hair. I do wear glasses. My type of skin is tanned. I teach lessons using Bahasa Indonesia. The lesson is about the weather, climate, and social life.

I have short straight black hair. I do wear glasses. I teach using English. I teach lessons about other languages which have so many characters and Pīnyīn. Who am I?