You seem to be really on the right track in your efforts to deliver a nice image with a person as the subject. Perhaps you should consider the following -
Grey Card and a simple colour check card
These are lost in the sea of information. A grey card will solve your metering issues. A color checker card is a luxury unless you're shooting something where colors need to be spot on, but a grey card is essential, given that you're trying to meter off the subject who isn't grey.
Paul