1: πρωτεύω
(Strong's #4409 — Verb — proteuo — prote-yoo'-o )

"to be first" (protos), "to be preeminent," is used of Christ in relation to the Church, Colossians 1:18 .

2: φιλοπρωτεύω
(Strong's #5383 — Verb — philoproteuo — fil-op-rot-yoo'-o )

lit., "to love to be preeminent" (philos, "loving"), "to strive to be first," is said of Diotrephes, 3—John 1:9 .