To unlock this achievement you will have to do the following
Complete all 15 Activities
2 Trail Blazing Missions
3 Professor Genki's SERC Missions
3 Insurance Fraud Missions
3 Escort Missions
2 Mayhem Missions
Purchase all 8 Stores
2 Planet Saints
2 Rim Jobs
2 Friendly Fire
1 Image as Designed
8 Gang Operations In Total
And a total of 19 collectibles to be found throughout Carver Island
Once all is completed, you will get a phone call from Angel and the achievement will unlock!