Just their nature.
You can't really answer that..."worse" is a relative term. what exactly do you mean by "worse"? everyone has traits and characteristics about them that are not appealing to all people, so it's not fair to say that someone's "worse" than someone else. we're just all different
yes, and no. It depends, we are all created equal by basic human Characteristic Our morals and education makes the difference between us. Education is priceless but without common sense is worthless. Some are better suited to do a job than others, but that does not make them a better person.
A man cheats on his wife, ...I don't. Am I better Yes.
My best friend can out cuss any man on earth, I don't cuss. Am I better no, because my best friend has a heart of gold.
Always do the best you can at anything you do and you will be a better person as long as you try to do your best.
Some people are better dancers than others because their coordination might be better.
Hinduism does not believe that some people are better than others but focuses on members of the religion being the best that they can be.
to some people 'yes' and to others 'no'
"Arrogant" or "delusional" (if the person is NOT actually better than others). Keep in mind, some people ARE better than others (i.e. more talented/skillful/knowledgeable/etc). In those cases, they aren't 'arrogant' or "delusional" they are just 'better' than others.
That depends on the kind of technology. Just like how certain people are better than sports than others, some countries are better at technology than others.
Some people are funnier than others, for much the same reason that some people play basketball better than others. We are all different.
Some people were just blessed with great voices from God and others werent, that's what I think.
Because everyone is different and has different talents.
because some people think they are better than others normilly about race
It depends on point of view... some people like nightelves better, others like bloodelves better.
Chocolate is better than others because it was made differently or spoiled
The desire to be better than other people.