Just go and study as hard as you can
She has the power to break through mental shields (opposite of bella's power), and project her visions thoughts into others by making physical contact with them.
the Voltaire wants to kill her at first because they thought she was a child that had been turned into a vampire which are uncontrollable but really she was born half vampire, half human.
Entertaining
At your aunt's retirement party, you would want to give a fun, entertaining speech incorportating a story about your aunt.
At a retirement party, you don't need to persuade anyone to do anything, since you knew about the retirement party, you would have planned a speech (so it would not be extemporanous and done spontasiously) and there's no need to inform anyone of anything at a retirement party.