They are also valuable resources in spreading information to their schools,community groups and churches. (Para.6)
Meaning: They also do a good job in spreading information to their schools,
community groups and churches.
valuable: a. 1. worth a lot
Her grandmother left her a valuable ring. 祖母给她留下一枚贵重的戒指。
There are some very valuable things in that house; they should lock the door carefully. 那个屋内有些贵重的东西；他们应该小心把门锁好。
2. very useful
I'm sorry to have taken up much of your valuable time.很抱歉占用了你许多宝贵的时间。