This is the 17535th most frequent Russian word.
требуем
"(we) demand" or "(we) require."
The term 'требуем' here is employed to express the professor's expectation or imposition towards the students regarding adherence to his regulations.
Профессор требует от студентов уважения к его правилам.
The professor demands respect for his rules from students.
While the word 'требуется' is a form conveying a requirement or necessity, it is related to 'требуем' as a derivative conveying a similar sense in the appropriate grammatical context.
Для выполнения задачи, требуется строгое следование инструкциям.
Strict adherence to instructions is required to complete the task.
This shows the word 'требуем' used to depict an assertive demand or requirement for fairness or justice.