A word of warning though : Don't do that (or any other Rebase operation) after you've already pushed if you don't want your coworkers to hate you.
As you'll be rewriting history, you won't be able to simply push and you'll have to "force push" your new history, and basically all your team will need to delete their repo and start from the new one.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
A word of warning though : Don't do that (or any other Rebase operation) after you've already pushed if you don't want your coworkers to hate you.
As you'll be rewriting history, you won't be able to simply push and you'll have to "force push" your new history, and basically all your team will need to delete their repo and start from the new one.