Which other qualification must someone meet before he or she can serve on a jury?

Qualifications to serve as a jury are :

Good mental or physical condition;

Not currently be subject to felony charges punishable by imprisonment for more than one year

Never have been convicted of a felony

Resides  in the judicial district for at least a  year;

Be adequately proficient in English

Explanation:

In other to qualify for the position of a Jury in US courts you must primarily be a United states of America citizen and also be of Legal age i.e 18 years then other qualifications that you must have as a Jury includes : having a good mental health, been proficient in English and Never been convicted of a felony this is just a few of them the rest are above.

A jury is a sworn body( jurors) whom are embodied with the responsibility of giving  an impartial verdict/judgement  on a matter brought before them by the court of law

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.