But be thou sober (su de nhpe). Present active imperative of nhpw, for which see 1 Thessalonians 5:6 1 Thessalonians 5:8 . "Be sober in thy head." Suffer hardship (kakopaqhson). See 2 Timothy 2:9 . Do the work of an evangelist (ergon poihson euaggelistou). See 1 Corinthians 1:17 ; Ephesians 4:11 for euaggelisth, gospelizer. Fulfil (plhroporhson). First aorist active imperative of plhroporew, for which see Colossians 4:12 . In Colossians 4:17 Paul uses plhrow to Archippus about his ministry as he here employs plhroporew. Both verbs mean to fill full.