Open Instagram and go to the profile of the account you want to block
Tap the three dots in the top right corner
Select Block
Choose whether to block just that account or that account and any new accounts they may create
Tap Block to confirm
Open Instagram and go to the profile of the account you want to block
Tap the three dots in the top right corner
Select Block
Choose whether to block just that account or that account and any new accounts they may create
Tap Block to confirm