Ключевые слова: abuse, anti, argument, bad, ban, beat, behavior, black, blackboard, board, bully, bullying, chalk, chalkboard, discipline, discrimination, domestic, education, fear, fight, fist, forbidden, force, hit, isolation, negative, no, opposition, order, problem, prohibited, rebellion, resistance, safe, safety, school, secure, security, sign, social, stop, student, teacher, tease, threat, trouble, victim, violence, war,