What are the key character relationships in gta v?

Grand Theft Auto V centers on three protagonists: retired bank robber Michael De Santa, street gangster Franklin Clinton, and drug dealer and gunrunner Trevor Philips. Each character brings a unique background and skill set to the story. The gameplay and narrative revolve around their cooperation to execute heists and evade threats posed by corrupt government agencies and criminal organizations. The game's structure allows players to switch between these characters, witnessing their individual perspectives on the same events. The source does not provide detailed descriptions of personal relationships, rivalries, or alliances beyond their collective goal of completing missions together.