Answer:
Post of the principle : A principal in a company is typically the owner, founder or chief executive officer (CEO) of a company. In some situations, the principal might be someone who owns most of the company's equity and is responsible for making big business decisions.
Post of the teacher : Teaching post means any post in a school or institution occupied by a teacher for the purpose of teaching. teaching post means a post, the duties of which involve teaching and training the students and other academic responsibilities.
Post of the counter worker : They call the childs parents if anything is wrong at school and is responsible of collecting the school fees and payment
Step-by-step explanation: