What mission do you meet Trevor on gta 5?

In Grand Theft Auto V, you first meet Trevor Philips during the mission "Merryweather Heist." In this mission, Trevor is introduced as one of the main protagonists and a key character in the game's storyline. He is known for his erratic behavior and violent tendencies, which are evident during the mission's events. This encounter sets the stage for his role in the game's overarching plot and his relationships with other characters.