some time ago where I showed two of my classmates my bitcoin wallet then the amount inside it as well as its price in my local currency and as usual they get curious too and asked how is it considered as a money or how it can used to buy stuffs.
You may show them videos of bitcoin how it works so they will understand. Also I always shares news about bitcoin and my friends got interested how I earn daily in bitcoin. So I show them anything about bitcoin like videos and they understands it.
To spread bitcoin in society.Show them your earnings,show them your investment how much you had.Give them a practice to do.Give them advice it can change your life show them video tutorials about bitcoins.
Yes right in all these related activities of about bitcoin is very important to spreading bitcoin knowledge . And I hope if any person will show all these activities due to this the bitcoin knowledge will be spread with faster.