No. Instagram do not notify people about it.
you ask someone on instagram
No. But you can view someone's instagram through a browser.
No. well technicly no, but instagram is working on that
A creative Instagram username for someone named Jay can be Jayboi or popularJay.
No. Instagram doesn't notify you when that happens.
Yes
direct message
You can not view someone's private Instagram photos without following them.
Contact Instagram, explain to them your dilemma. They will be happy to help you retain your account.
Yes, he can find out about it. By the way, if you have had a lot of unsubscribes lately, you can quickly correct this situation with the service Lowcostsmm. Here you can buy Instagram subscribers and thereby return the previous number.
That their account is private.