The higher officers ought to be proved, (as well as these of a lower order), as by examination or conference, so (which possibly is here more intended) by an observation of their lives and conversation, for some time before they were admitted into this employment. Then, being found blameless, they were to be admitted into this employment.
Related Commentaries of 1 Timothy 3:10
1 Timothy 3:10
10 And let these also first be proved; then let them use the office of a deacon, being found blameless.