Okay, let's still say that you're not a consultant and that you don't ever plan to be. Let's say instead that you are seeking employment. Having once worked at an employment agency, I have written the following advice to you from my former perspective at an employment agency:
Personal Presentation:
Some of this material is NOT going to be politically correct, so just forget about political correctness and lose any ethnic or cultural sensitivities you may have. In this modern day's business world, you do need to adhere to certain social conventions, whether they match your own or not. If your personal conventions depart too far from commonly expected norms, be assured that nobody will care about that as you exit through the door without having gotten a job for yourself.