Get their name, a picture of their ID, and call a lawyer and have him draft a letter to give them that if they contact you again you will sue them for trespass, nuisance, and intentional infliction of emotional distress.

This letter has no legal teeth but the petty tyrants are cowards so most of them will be fold under the slightest bit of pressure.

But a better strategy is to move the fuck away form any area that has significant "diversity" or is controlled by democrats.

No matter what it costs, you owe your family that much.