Answer:
Ethical.
Step-by-step explanation:
As the exercise explains, when an intercultural communication happens in order to proselytize others without their consent; illustrates an ethical issue about the application of intercultural knowledge. To proselytizingof others as a way of communication, without the other party, population, individual knowing, is an ethical issue given that they do not give their consent and they may not even know what they are listening, learning, etc.