Nice person are those individual who shows respect to others and of course to themselves as well. Being a nice person starts with having respect to the humanity.

If a person have respect then everything would follow.

Nice person don't put innocent people down, instead allow them to express that would make them feel comfortable. And also they don't make fun of anyone whose being different.

Nice person apologize first even if it is not their fault, 'coz they just want harmonious relationship within .