Usurp vs Divest - What's the difference?

As verbs the difference between usurp and divest

is that usurp is to seize power from another, usually by illegitimate means while divest is (archaic) to undress, disrobe.

(en verb)

To seize power from another, usually by illegitimate means.

To use and assume the coat of arms of another person.

(obsolete) To make use of.

* 1662 , , Appendix, A Collection of Several Philosophical Writings of Dr. Henry More, p. 149:

(en verb)

(archaic) To undress, disrobe.

* 1897 , Henry James, What Maisie Knew :

Having divested the child he kissed her gently and gave her a little pat to make her stand off.

To strip, deprive, or dispossess (someone) (of) something (such as a right, passion, privilege, or prejudice).

You shall never divest me of my right to free speech.

When I wake up, I make a point to divest myself of all my prejudices, ready to start the day.

To sell off or be rid of through sale, especially of a subsidiary

In 2011 the company divested an 81% majority stake in its Chinese subsidiary.