Jesus could respond to the spiritual need of each one. However, a servant of God does not have to be perfect to be a good observer. The apostle Paul illustrates that.
لِذَا يَجِبُ أَنْ يَكُونَ ٱلْخُدَّامُ ٱلْمَسِيحِيُّونَ وَاعِينَ وَيَتَحَلَّوْا بِدِقَّةِ ٱلْمُلَاحَظَةِ .‏