You can unblock someone on the Instagram app from Settings or their profile, and they won't be notified.
You can find your list of blocked people on Instagram in the "Privacy" section of your account settings.
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How to Unblock Instagram at School
It’s no surprise that every person or other is an Instagram addict at this point. Other than the usual spots like the bedroom, washroom, public transport, coffee shops, or even schools, you just can’t ...
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