Relate to people and use empathy. Speak and act as if everything you do were genuine pleasure. Be patient and place yourself in another person's shoes. Be genuinely and wholly interested in people. Watch your body language.
Actions speak much louder than words and often say all the wrong things.
Learn the cultural differences of each ethnic group. Always leave them an out for saving face even if you're right. Be considerate with the feelings of others. It will be greatly appreciated and remembered. Be thoughtful of the opinions of others.