'Competent' in the Bible

In discharge of the task which God graciously entrusted to me, I--like a competent master-builder--have laid a foundation, and others are building upon it. But let every one be careful how and what he builds.

Or do you not know that the saints will judge the world? If the world is judged by you, are you not competent to constitute the smallest law courts?

I say this to your shame. Can it be that there is not one wise man among you who [is governed by integrity and] will be able and competent to decide [private disputes] between his fellow believers,