Paul a prisoner in Rome ACT 28:16

He arrived as a prisoner, after appealing his case to Caesar, surviving a shipwreck, and spending a winter stranded on Malta. Once in Rome he was allowed to live by himself, with only a single soldier guarding him. That arrangement lasted two full years, at his own expense, and he was free to receive anyone who came to see him.

Paul had appealed his case to Caesar, which under Roman law meant he had to be tried before the emperor's own court in the capital. That appeal is the reason a shipwreck and a winter on Malta stand between his arrest and his arrival in Rome. He did not choose Rome as a destination; it was simply where Caesar's tribunal was located.

The narrative simply stops after describing his two years under guard, with no trial outcome, release, or execution mentioned. Readers have long debated why: some think the author was writing up to the moment he reached, others think the ending was never meant to resolve that question. Instead the last line turns to something else entirely, that Paul kept preaching the kingdom of God openly and without hindrance.

His custody was unusually mild: he lived by himself rather than in a cell, guarded by only a single soldier, and he paid his own living expenses for the full two years. That arrangement left him free to receive everyone who came to him, to teach, and to write. Several of the letters still read today are traditionally connected to this period, though the passage itself does not say which ones.