Preston Garvey

"I had to put on a brave face as long as there were still people counting on me. That's the only reason I kept going."

- Preston Garvey

Preston Garvey is a major character in Fallout 4. He is a senior officer and [initially] the unofficial leader of the Commonwealth Minutemen, a group of volunteer militia that helps defend commonwealth settlements "at a minute's notice".

History
Preston originally enlisted into the Minutemen at the age of seventeen under the enrollment of Colonel Hollis. Although the minutemen saw there successes at first, their luck eventually began to turn against them as multiple settlement began to lose respect for the militia and eventually turned to more selfish needs.

Eventually Preston and Hollis received a message from a man named Sturges that the town of Quincy had come under siege by a mercenary group known as the Gunners, an event forseen by an "oracle" named Mama Murphy through a hallucination via chems. Nevertheless, Hollis and Preston agreed to help defend the town from the Gunners.

The battle did not go to well for the Minutemen, as the Gunners soon overpowered the militia, killing Hollis and forcing the remaining twenty survivors (Preston, Sturges, and Mama Murphy among them) to flee and seek refuge at the nearby Jamaica Plain, then Lexington, and finally to Concord.

During this time, the number of survivors began to dwindle down in number, largely due to attacks by feral ghouls and raiders. By the time the Sole Survivor arrives at the Museum of Freedom in Concord where the remaining Minutemen are currently stationed, only five of the twenty survivors remain standing: Preston Garvey, Sturges, Mama Murphy, and Jun and Mary Long.

Should the Sole Survivor agree to help the Minutemen, they must collect a fusion core and attach it to a set of power armor located on the roof of the museum. Once the core is installed into the power armor, the Sole Survivor mounts inside the armor and collects a minion attached to a crashed vertibird located next to the armor. The Sole Survivor then uses the armor and minion to take out the last remaining raiders and a deathclaw located outside the museum on the streets of Concord.

Once all of them are eliminated, the Sole Survivor returns to Preston who thanks them for there help, and asks if they know of a nearby settlement that they can seek asylum at. They eventually settle at Sanctuary Hills (the home of the Sole Survivor), where Sturges later asks in the assistance of building a new settlement at the site to help the survivors and any future settlers get accustomed to the land by having the Survivor build beds, water pumps, and defense turrets as well as plant crops. Once completed, the Survivor will need to provide additional resources should any new settlers settle in at Sanctuary Hills.