You can make some flyers to hand over. Do not enter into too much details at the first meeting. It will be very hard for you and for them to have a common ground for discussions. Many of them will not understand shit what are you saying. With basic information, so they can digest and read later at home, when they have more time. After that, they will come with more specific questions and request help. Here some inspiration about the content of those flyers (do your own or use these ones:
May The Bitcoin Be With You!