>>45286
>spreading someone's personal information,
>abusing his personal information,
Not illegal unless it's in an effort to steal their identity.
>harassing him,
Depends on the 'harassment'.
>trying to get him swatted,
>making false reports about him to the authorities, and
Actually illegal depending on the country.
>encouraging people to go after him etc.
Depends on what 'go after him' means.