To block someone on Instagram, search for their profile, tap the options button at the top of the profile, and select "Block User." The user will no longer be able to see your profile or your posts.Continue Reading
Tap the star icon located at the bottom of the screen to go to the Explore page inside of the Instagram app. Tap the magnifying glass at the top of the screen to access the search bar. Type the name or username for the person you want to block. A list of suggestions appears. Tap the person's photo to open their profile.
Tap the options button located at the top right of the screen on the person's Instagram profile. The options button is a three-dot icon on Android and an arrow in a square on iOS devices. A dialogue box appears with the option to block the user or report them for spam.
Tap the Block User button. A dialogue box appears asking you to confirm that you want to block the user. Select "Yes, I'm Sure." Once confirmed, the person is no longer able to view your profile or see your posts.