en_tn/1th/01/10.md

his Son

This is an important title for Jesus that describes his relationship to God. (See: rc://en/ta/man/translate/guidelines-sonofgodprinciples)

whom he raised from the dead

"whom God caused to live again so that he was no longer dead." The expression "the dead" describes all dead people together in the underworld. To come back from among them speaks of becoming alive again.

who frees us

Here Paul includes the Thessalonian believers. (See: rc://en/ta/man/translate/figs-exclusive)