(You can provide details about the recipient later if you prefer. No one will send them anything until you approve.)
For example: this person has been sending me threatening messages; my neighbor keeps encroaching on my property; this person keeps making inappropriate comments about me on social media; this person is violating my privacy; this person is stalking me.
For example: the harassment has caused me concern for my safety; the harassment has negatively affected my business, the harassment has harmed my mental and emotional wellbeing; the harassment makes me feel threatened and stressed