Answer: Alfonso thinking his father would likely call him a sissy
This is because the conflict is him having to choose one or another. Either get a cool haircut, or get the haircut and be scolded by his father.
To shortly answer your question, an ethic community is a community of people who relate to each other in terms of culture, traditions, and overall ethnicities. An example of an ethnic community (I am speaking on myself) would be Juneteenth. In no way do I mean offense, it is just a mere example. If you need better understanding, let me know and I will gladly assist you.