What does the Great Commission have to do with mobile devices? More than you might think.
Any principal priest in the Jewish Council.
Baker Encyclopedia of the Bible
Tyndale Bible Dictionary
Eerdmans Dictionary of the Bible
A Dictionary of Christ and the Gospels: Aaron–Zion
CHIEF PRIESTS (ἀρχιερεῖς).—In the Gospels ἀρχιερεύς properly denotes the individual who for the time being held the office of Jewish high priest; and when the word occurs in its singular form, ‘high priest’ is the almost invariable rendering it receives throughout the NT, both in AV and RV (in Lk