A sit-with-you kind of friend.

Not every problem can be solved. Not every complaint wants a ‘solution’. Sometimes the heart just craves company, someone to walk beside in trying times.
As Henri Nouwen says,
When we honestly ask ourselves which person in our lives means the most to us, we often find that it is those who, instead of giving advice, solutions, or cures, have chosen rather to share our pain and touch our wounds with a warm and tender hand. The friend who can be silent with us in a moment of despair or confusion, who can stay with us in an hour of grief and bereavement, who can tolerate not knowing, not curing, not healing and face with us the reality of our powerlessness, that is a friend who cares.”
― Henri Nouwen, Out of Solitude: Three Meditations on the Christian Life