Maintain - Vine's Expository Dictionary of New Testament Words

Maintain

[ 1,,G4291, proistemi ]
to preside, rule," also means "to maintain," Titus 3:8, Titus 3:14, "to maintain (good works)," RV marg., "profess honest occupations" (AV, marg. ... "trades"). The usage of the phrase kala erga (good works) in the Pastoral Epistles is decisive for the rendering "good works," here. See OVER (to be), RULE.

Vine's Expository Dictionary of New Testament Words