The obligatory prayer is essential behind every Muslim, pious or impious, even if he has committed a sins.
Sunan Abi Dawud Book 2, Hadith 204
← Previous Hadith The Prophet (ﷺ) said: There are three types of people whose prayer is not accepted by Allah: One who goes in front of people when they do not like him; a man who comes dibaran, which means that he comes to it too late; and a man who takes into slavery an emancipated male or female slave.

Sunan Abi Dawud Book 2, Hadith 203 Next Hadith → Anas said that the Prophet (ﷺ) appointed Ibn Umm Maktum as substitute to lead the people in prayer, and he was blind.

Sunan Abi Dawud Book 2, Hadith 205