30 and 31 : the teacher. la meaning woman and el meaning man.
32 and 33: the professor. same thing, la meaning woman and el meaning man.
34 and 35 :the alumni. la meaning girl and el meaning boy.
36: the student. la meaning girl and el meaning boy.
37: the pen
38: exercise book or notebook
He teaches math in high school he's a medical professor and an scientific professor
