Hate accounts should be handled in the following manner:
First of all, the victims should be reporting. Multiple people who aren't involved reporting an account slows down the process, clogging the system with reports that can't be verified.
Mobile users see this article on Shake for help:
https://support.wattpad.com/hc/en-us/articles/207889293-How-to-use-Shake-for-Help
1) Hate account should be muted. This is done by going to the profile and clicking the three dots ... the clicking Mute and following the prompts
2) Report the account using the same three dots ... and clicking Report [username] and using hate / harassment.
3) Screenshot any evidence - messages, etc. You can also report PM's, comments and forum posts.
Mobile users see this article on Shake for help:
https://support.wattpad.com/hc/en-us/articles/207889293-How-to-use-Shake-for-Help
4)Once your ticket is filed, you can check it (on the web) by going to Help - signing in and clicking My Activities to find the proper ticket. Screen shots and other information can be add to the ticket there also.
DO NOT engage with hate accounts. Don't start fighting with them, posting on their wall, sending messages or sending your friends to do so. DO NOT 'expose' them in messages or in stories, or you will be breaking the guidelines yourself. Be patient and let Wattpad handle the matter.