I feel there is a certain moderator harassing me and would like to know a way to stop having their harmful words always in my face.
You can always close your eyes. In seriousness, I don't think there's a conventional way to ignore a staff member. This is because you can't be expected to obey a staff member according to the rules if you can't see their posts. Feel free message the staff member and ask them politely to stop posting whatever it is that offends you, or if that doesn't work, post a staff report requesting that other staff members intervene. Moving to help section.
You can use inspect element to change the word "poke" to "ignore", if you like, and feel the infinite satisfaction of clicking that button.