no worries. Arjun is a critical character to the story. He is Kyra's best friend.

Libraries are around for two fold reasons: the first is the obvious, that they make a massive backup of information that people can use even if technology fails them: the Republic of India takes the safety of their citizens seriously, even if they are over a hundred light years away from Earth. Two, they are also social places. People can do things virtually, but some things people still enjoy in person. A library is an early addition to an off-world settlement that allows for a local community to grow around.

And on Indian colonies, people are kept busy. Millions of rupees have been spent per person to get them there. No laying down on the job! Some people did pay their own way. Not many though.