Answer: Dear friends name,
You should join my charity group because (name all the great qualities you charity group has and what you charity group is doing to raise money). Then talk about who you will be helping or how you plan spending the money.
Explanation:
Mostly just keep on reminding them on how good it will be and how they will feel great about raising all that money for a chosen charity.
Hope this helped :)
For experience for there future
It depends some people are nice some people are selfish