Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answer updated 3 years ago

As far as the person is Baaligh, there is no restriction on age after being Baaligh.

Aadil is the Mo’min who usually abides all rules of religion and avoids all sinful acts.

If he for any reason commits any sinful act, he must repent and seek forgiveness, then he will return to the state of Aadil.

Obviously, all other conditions of Salatul Jama’ah must met.