6. All our profits are reinvested in research and (develop).
development
7. The homeless shelters are entirely staffed by (volunteer) worker.
volunteer
9. I’d like to work as a volunteer for a charity (organize).
organization
8. We help the (old) with housework and gardening.
elderly
10. He made a $5000 (donate) to charity
donation
1. It’s important to (protection) your skin from the harmful effects of the sun
protect
5. He’s well-known in the local (communal).
community
2. The craft villagers are so (skill).
skilful
3. Community (serve) has a lot of positive effects on students.
service