Men who brought John O Dirlam to Becket, Massachusetts

Because of the evidence in the muster rolls I possess, I believe John O Dirlam was injured near Philadelphia in the winter 1777-1778. How and why did he travel nearly 230 miles from Philadelphia to Becket? 

I propose five men as responsible for this journey

1. Private Amos Brewster (1735-1777), serving in Durkee's Regiment, Nat Webb's Company of Connecticut Troops. After his death in November 1777, Brewster was described on a muster roll as, in the hospital with a wound he received in the mud flats at Fort Mifflin. The British laid siege to the fort September 26 to November 16.  Brewster was wounded in September and died in November. I estimate this to be the same action where Dirlam was also wounded. Amos lived in Canterbury, Connecticut. 
2. Doctor Oliver Brewster (1760-1812), paternal cousin of Amos, listed above. He lived in Peru, Massachusetts, about 10 miles north of Becket, where he moved at the end of the war. Did he buy property at the same auction as Dirlam and Gibbs? He served in Col. John Brown's Third Berkshire Regiment. 
3. Sylvanus Snow, serving in  Capt. Nathaniel Webb's Company, Col. Durke's Fourth Regiment, Continental Line. A detachment of the regiment continued the brave defense of Ft. Mifflin in September and October 1777, on the Delaware, with several men killed and wounded. Dirlam married Snow's daughter in September 1781. 
4. Col. John Brown who commanded a Berkshire regiment, where Oliver Brewster was surgeon. Later the 3rd Massachusetts Regiment, then re-designated as the 3rd Continental Regiment. Did he do military service in 1777?? Brown was a lawyer, county judge, and served on the Pittsfield Committee of Correspondence. 
5. John Gibbs who served on the local Committee of Inspection, Correspondence, and Safety, and later bought property in Becket in partnership with Dirlam at a Sheriff's sale in 1780 according to Ulster Scots and Blandford Scouts, and the Registry of Deeds in Springfield. Gibbs was a tanner and Dirlam a leather craftsman. 

Becket in the 1770s was accessible by foot paths, and too remote and poor to be known by a most  Americans and certainly by a stranger from Germany. It's likely one person or small group took him under their wing. I believe these to be likely candidates. They have the right combination of local power and proximity to Dirlam.