What type of stuff do you want to know? Do you have any specific questions?
Your friend should get two of them. They are very social and should be kept in at least pairs. The males can be neutered so they don't breed.
I'm sure if you did some research online you could find some good sites and care sheets. Then if you have any specific questions, you could ask them here. There's so much, it would take forever to type it all out here.
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