How to get someones instagram deleted?

If you see overtly spammy or suspicious activity, definitely report and block the account. I highly doubt you alone can get someone’s account deleted from Instagram, but if enough people report their behavior, they are likely to be removed. So ultimately you would be contributing to make it a better community for all. read more

You cannot delete someone else's picture, but you can hide pictures you are tagged in. In that case, you can manually hide an unflattering photo of yourself that someone else has posted by going to your profile > tagged photos of you > settings > choose add manually. Or you can set your profile to private for more security. read more