Corinna,
I first try to weigh if there is any positive benefit to their actions. In a sense, is their ignorance damaging? Next, I try to examine my feeling about it. Am I angry, frustrated, sad? I then try to determine why I feel the way I do. Are my feelings anchored in my own adversity? Have the actions of this person "triggered" me?
When I realize I have been triggered I try not to respond, because I know my brain is possibly working from a place of trauma reaction, which can be less than rational. Of course if obvious abuse is occurring immediate intervention may be needed, but I may not be the one who can intervene.
And, lastly I make sure I follow the incident with good self-care for me, which is part of my self-care planning cycle.
Wishing you well,
Cathy