¹ tn Or “faithful fellow worker.” This is more likely a descriptive noun, although some scholars interpret the word σύζυγος (suzugos) here as a proper name (“Syzygos”), L&N 42.45.

¹ sn The imagery of the “burning coals” represents pangs of conscience, more readily effected by kindness than by violence. These coals produce the sharp pain of contrition through regret (e.g., 18:19; 20:22; 24:17; Gen 42-45; 1 Sam 24:18-20; Rom 12:20). The coals then would be an implied comparison with a searing conscience.