Those users have been blocked. :) you can swipe the comment left and click the red sign to complain.

@nataliiiiii something like that @preggie_usa

i was just wondering that too...like delete a comment...someone commented a link on 2 of my pictures...something about nipples?

Which user is it?

@kgonza87, can you complain on the post or go to that profile you want to complain on.

Tap the top three dots on the post. Thank you or go to their profile and tap the three dots. Then press complain.