disqualify
disqualify (dis*kwol"i*fī) , transitive verb
1.
To deprive of the qualities or properties necessary for any purpose; to render unfit; to incapacitate; -- with for or from before the purpose, state, or act.
My common illness disqualifies me for all conversation; I mean my deafness.
Me are not disqualified by their engagements in trade from being received in high society.
2.
To deprive of some power, right, or privilege, by positive restriction; to disable; to debar legally; as, a conviction of perjury disqualifies a man to be a witness.