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Does a swindler give back money stolen
yes she did
Yes he does!!
He is cool.
he gave food back
Nothing can be found that suggests they give anything back to the community in any way other than the usual ways, such as providing jobs.
Community service is important because it offers one the opportunity to give back to others and their community.
Your question is far too general to be answered. How do Christians give back to the community? It's all up to individual efforts, not the religion as a whole.
Some schools do institute community service as punishment. This is an alternative to standard expulsion and offers a way for the offender to give back to the community.