Coaching powerfully helps people change, grow, find their authority and switch their problems into positive outcomes. A coaching approach is almost universally applicable - at work, at home, as parents, as partners or between friends.
Who can be a coach? Anyone can learn the basics very quickly. After that, just keep practising.
A coach does not advise because advice rarely helps. A coach leaves out their own opinion and focusses on enabling someone to think for themselves and reach their own conclusions.
Here is a four-minute video on how to do it.