Pair of hands: Lending a helping hand to whom ever needs it. Letting them know they you are there to help in any way.
Collaborate: Working along side with the people to help them to understand the materials. For example if a teacher is doing a presentation and is explaining something you can be the stand in and show diagrams or charts.
Experts: If the person has no understanding of any type of technology you can step in and let them know that u are very familiar and can assist them. Just make sure that you do not intimidate the other person with the knowledge that you have about technology. Help them to understand the materials and get them to be more comfortable with it.