You have multiple pathways for help and support. You can:
Report the abuse to the social media service’s safety centre. Depending on the platform, you can generally also block, report, ignore or mute the abuse.
If technology is being used to abuse, stalk, threaten or defame you, there are laws that can help. Collecting evidence will be important if you want to take legal action.
You can also take steps to bury negative commentary. You can alter the context of the discussion with constructive comments or positive messaging. Even pinning a post about a community’s rules to the top of a discussion page can encourage better standards of civility.