Well, if have 5+ even then yeah....
But since you have two and you have a purpose for it and you're not just making accounts just to make them then I guess it's okay(?)
As for the third one that you're sharing amongst other people you might want to be careful. Since it's the same IP location of the accounts and if you get in trouble, it might come back to you and not just your friends on this one.
Some of my accounts I might have to delete because I was saving it for my siblings but they're better off making their own in the future so I won't get the blame. I know you're probably doing it out good intentions but next time Reg opens you can tell them and they can try and make their own accounts just in case ^^
So this one can be a bit tricky ( IMO ) because an account can be removed after about a year+ of inactivity...