#disqualification  the act of preventing someone from participating by finding them unqualified
  supertype:  prevention__bar  the act of preventing
  subtype:  recusation__recusal  the disqualification of a judge or jury by reason of prejudice or conflict of interest; a judge can be recused by objections of either party or they can disqualify themselves

No statement uses or specializes disqualification; click here to add one.