Why does he have to avoid that one friend who actually helped him when his father was sacking him
Probably Cirrus feels uncomfortable with letting his friends know about his family situation. The only person he felt comfortable showing all his layers to is Skylar. So he's trying to avoid meeting him so he can avoid the topic.
Probably because he felt embarrassed and didn’t want to show that side of him . Some people like to keep that side private ..
Why does he have to avoid that one friend who actually helped him when his father was sacking him