Help I am being harassed and My private account ID is Being Blown

I am being hassled and the idenity of my private account is being thretened

Here are copies of my DMs I am being sent in my main account. I have a private account for a reason.

@LiftJesusHighl You had the chance to forthcoming privately...you are tap dancing instead. YOU ARE VSUTTLES and I can prove it. You have 5 min

@LiftJesusHigh to come clean in private, via email, and explain your actions and apologize before I draw a public picture of your actions

Please can you help it is happening right as we speak I have asked this individual not to do this and he continues