You must get up to speed, good citizen! It is now regarded as inappropriate (or, possibly criminally insensitive) to use the following words to describe any human that is not a caucasian male:
There are, to be sure, many more. These are just the current "hot crop" that needs to be heeded. Don't forget, good citizen, many inappropriate utterances from the past can do you (and your fellow citizens!) probable harm. Before you think "freely," try to think adherently. We will all benefit, in the long run, if you can do just that one little thing...