Non-judgemental listening involves:
Listening actively by doing all that you can to make sure you understand what the person is saying to you.
Resisting the urge to fix the person’s problems by offering advice.
Putting aside your own feelings and attitudes temporarily, so that you can listen without judging the person.
Accepting the person exactly as they are.
Making no moral judgement about their situation.
Feeling and expressing genuine concern for the person.