'Assistants' in the Bible

Benaiah the son of Jehoiada was [head] over both the Cherethites and Pelethites [the king’s bodyguards]; and David’s sons were chief [confidential] advisers (officials) [to the king].

And after sending two of his assistants, Timothy and Erastus, to Macedonia [ahead of him], he stayed on in [the west coast province of] Asia [Minor] for a while.

Paul and Timothy, bond-servants of Christ Jesus (the Messiah, the Anointed),To all the saints (God’s people) in Christ Jesus who are at Philippi, including the overseers and deacons: