They gave up their time - and got a lot back in return.
Tammy made friends with Hassan, a Syrian refugee, at their local Oxfam shop.
Seeing people living in poverty during a holiday in Kenya led to volunteering for Oxfam.
Diagnosed with leukemia when he was 10, Max helped Cancer Research UK upon recovery.
When Hannah failed her A-levels, she volunteered for Oxfam and turned her life around.
Emma was a young, stressed carer. Meeting Molly through Barnardo's changed her life.
Kamil met Beatrice after he became a volunteer with Age UK while at medical school.