Both Uses

competent
in
A Spool of Blue Thread
(Auto-generated)

Denny proved competent, but not so good with the customers.†
p. 15.4 *

competent = sufficiently capable
Amanda was a lawyer, their hardest-nosed, most competent, most take-charge child.†
p. 31.1

Definitions:

(1) (competent)
capable (able to do something in a generally satisfactory manner) -- sometimes specifically to have legal capability
(2) (meaning too rare to warrant focus)
In the field of law, competent has the specialized meaning of being legally qualified to do something such as to be mentally fit to make reasonable decisions; or to have jurisdiction or authority to take an action.

In classic literature, a competency can refer to having an income or assets to support living expenses.