sumphuletes denotes a person belonging to the same people as those from whom believers suffered.

The single attested use identifies people of the same country or people-group as the source of suffering experienced by the addressed believers.

1. People of the same country · dominant

   In 1 Thessalonians 2:14, the genitive plural form occurs in the clause about believers suffering from people of their own country; the APB renders the clause, "since you suffered the same things from your own countrymen as they did from the Jews."

   1 Thessalonians 2:14

In the Anselm Project Bible: In 1 Thessalonians 2:14, the APB presents the group as "your own countrymen." This rendering confirms the clause's setting without isolating every contribution of the Greek form.