The universal sign of a civilized person is that he or she is polite in his or her interactions with others, even under difficult conditions.
Conversely, those who are arrogant, rude or uncouth in their behaviour are regarded as uncivilized people.
It is one of the task of a civilized person to polish such uncivilized person by showing them thr right way to behave.
A civilized person will always treat others with respect, and will not normally antagonize others.
He or she will cooperate with those appointed to serve and protect him or her not prevent them from doing their work.
A civilized person will learn to share common facilities, and consider the need of others.
A civilized person will not willfully misuse, damage or destroy public facilities.