Which of the Four Shall We Welcome? (Online)

In the middle of the Passover Seder, during the ‘telling’ (maggid) of how the Israelites passed from slavery into freedom, we are introduced to four children: the wise, the wicked, the simple, and the one who doesn’t know how to ask. Which one would be welcome here?

Quote: I love Passover because for me it is a cry against indifference, a cry for compassion. ~Elie Wiesel