'Qualified' in the Bible

To some people we are a deadly fragrance, while to others we are a living fragrance. Who is qualified for this?

By ourselves we are not qualified to claim that anything comes from us. Rather, our credentials come from God,

who has also qualified us to be ministers of a new covenant, which is not written but spiritual, because the written text brings death, but the Spirit gives life.

For we rejoice whenever we are weak, but you are strong. And we pray for this: that you may become fully qualified.

giving thanks to the Father, who has qualified us to share in the inheritance of the saints in Light.

Now an overseer must be blameless and beyond reproach, the husband of one wife, self-controlled, sensible, respectable, hospitable, able to teach,

The things [the doctrine, the precepts, the admonitions, the sum of my ministry] which you have heard me teach in the presence of many witnesses, entrust [as a treasure] to reliable and faithful men who will also be capable and qualified to teach others.

holding fast to the faithful Message which he has received, so that he may be well qualified both to encourage others with sound teaching and to reply successfully to opponents.