Disqualify (verb)

1. To bar or exclude from a contest, competition, or privilege by reason of not meeting the qualifications or rules.
2. To make someone or something ineligible for a particular role or activity.

Origin:

From the latin disqualificare, from dis- + qualificare to qualify.

Examples:

1. He was disqualified from the race for using performance-enhancing drugs.
2. She was disqualified from the competition for not following the rules.
3. The candidate was disqualified from the election for not meeting the qualifications.
4. The referee disqualified the boxer for hitting below the belt.
5. The company was disqualified from the bidding process for not meeting the requirements.