The document discusses the importance of building mutual trust between public, private, and voluntary sectors, particularly in Southwark, which has a high number of third sector organizations. It outlines the approach of the Southwark council to support voluntary groups through a £1.5m Transition Fund aimed at helping organizations become sustainable amidst changing funding landscapes. Additionally, it highlights the Southwark Circle social enterprise model, which fosters community involvement and addresses issues such as social isolation and loneliness.