Which is better: attending Taraaweeh or continuing preaching in the markets after ‘Ishaa?

Question 1: Which is better; going to perform `Umrah (lesser pilgrimage) and staying there or engaging in duties of guidance and preaching in markets and public places, especially in Ramadaan when markets and such places become densely crowded? 

Should I attend Taraaweeh (special supererogatory night Prayer in Ramadaan) or continue preaching in the markets directly after `Ishaa (Night) Prayer? We hope that your Eminence would provide an answer in a written form for more benefit.

Answer: If your preaching and calling to Allaah (Exalted be He) is within the boundaries of your job at that time, you have to do it, and you are not entitled to leave it except to perform obligatory Salaah… read more here.