Enjoined vs Enjoiner - What's the difference?

As a verb enjoined

is past tense of enjoin.

one who enjoins.

(head)

(enjoin)

(en verb)

(transitive, chiefly, literary) To lay upon, as an order or command; to give an injunction to; to direct with authority; to order; to charge.

* - Esther 9:31

To confirm these days of Purim in their times appointed, according as Mordecai the Jew and Esther the queen had enjoined them

* Shakespeare

I am enjoined by oath to observe three things.

(legal) To prohibit or restrain by a judicial order or decree; to put an injunction on.

* Kent

This is a suit to enjoin the defendants from disturbing the plaintiffs.

* * *

(en noun)

One who enjoins.

(Webster 1913)