Vest is such an interesting word.

from the root of "to wear" it can be real clothing, (a vest)or a figurative 'clothing' (with the power vested in me..) or you can be vested (in a pension plan) which just means your are invested (but you also get invested with power!)

you divest, or invest, be vested, or wear a vest..

(but if you are invested with spiritual power, (ie, a preist or minister) you don't get devested, you get defrocked! (so you get vested, but your vest is a frock.)

and i am sure vest has other nuances.. (like vestment, and investment)