'Behoveth' in the Bible

it behoveth, therefore, the overseer to be blameless, of one wife a husband, vigilant, sober, decent, a friend of strangers, apt to teach,

and it behoveth him also to have a good testimony from those without, that he may not fall into reproach and a snare of the devil.

and if I delay, that thou mayest know how it behoveth thee to conduct thyself in the house of God, which is an assembly of the living God -- a pillar and foundation of the truth,