teacher
enseignant (for male)
enseignante (for female)
Definition:
A teacher (also called a school teacher or, in some contexts, an educator) is a person who helps others to acquire knowledge, competence or virtue.
Source: https://en.wikipedia.org/wiki/Teacher
Remarks:
In French, the term “enseignant” or “enseignante” is used at the Elementary & Secondary levels but we use the term “professeur” or “professeure” at the postsecondary level.