Power
In this job, you have the power to confuse strangers about what you do by telling them you are an "anthropologist."
Oh, you wanted a genuine answer. Fine. Very few anthropologists are self-employed (about eight percent are consultants), so for the most part, you're going to be reporting to a superior of some kind, be it in a business, a research facility, a place of higher learning, or a federal agency.
You'll be acquiring and analyzing information, and there's a bit of power associated with that. You can explain why other people do what they do and help to prevent an international incident. If it weren't for you, that businessman might have picked up his teacup with his left hand while in Saudi Arabia (that's a major no-no). But he didn't. And the companies made a great deal. And you're a hero.
However, it's likely the teaching anthropologists who wield the most power. They have the power to mold minds. That's some X-Men stuff right there.