I am not sure what you mean. sorry.in asking can you you have perfect evangelism 24/7 from a single person.
So I'm asking you this question on the bases of evangelism beging something, when a child of God expresses his views about the Gospel.
Does it make him evil if he slips up
you asked, "Can you you have perfect evangelism 24/7 from a single person. " The Gospel message of Jesus Christ is the power of God.
Therefore it is perfect at any time day or night 24/7 When a Christian proclaims it.
This may become a shock to you and others, but Proclaiming the gospel doesn't save you. It is possible for one to evangelize, hear the Gospel of Jesus Christ, and get saved from a person whom they themselves may not be saved. The word of God is not without effect.
This is why Jesus will say to many, "I never knew you ."