This is the technique of using your opponents young age to say that he is not qualified.
Answer:Jargon
Explanation: Jargons are refereed to a special language(mostly professional) used and understood by a particular group of people to communicate effectively some specific contexts within them which people outside the group may not be able to understand. There are different types of jargons which are political jargons, Workplace jargons, Millitary jargons,Medical jargons, Buisness jargons etc
Jargons should not be confused with slangs which is also particular to a group but merely an informal spoken language chosen instead of the standard language of a particular word or words and are most times funny expressions.
When he told her that he wouldn't touch her again, they decided that she would become a vampire so that they can have a 'normal' relationship.
