1. Go to an old age home and adopt one of the patients
2. Help a family with a special needs child and give parents some respite
3. Join a bikkur choilim rota and go visit the sick.
4. Are there any elderly people who live near you who could benefit from your visiting?
5. Go learn first aid
Good Luck. I think it is important for you, to find something to do that appeals to you so that you will enjoy your free time!