The phrase "to get someone on the right path" means to guide or direct a person towards making better choices, taking correct actions and following the appropriate course in life. It implies that the individual may have been veering off track or going down the wrong road, and now they are being steered back onto the proper route. This phrase can be used in various contexts such as when referring to helping someone overcome an addiction, assisting a student with their studies, or providing advice to someone who is struggling in life. Ultimately, it means giving someone support and guidance so that they can make positive changes and improve their situation.