What is translation for the word teacher in native American?

The is no "Native American" language. There are hundreds of languages in dozens of unrelated language families.

In Navajo, which is in the Southern Athabaskan family teacher is: bá'ólta'í

The marks above vowels mean they are high tone, Navajo is a tonal language like Chinese. The marks between are the consonant glottal stop. We have it only in a few places in English like in the middle of "Uh'oh"