What is the fine-grained topic of the following text: Even if one has to work very hard to organize such gatherings it is highly recommended, because it is the propagation of the religion of Allah, it is the promotion of the word of Allah, it is a help in goodness in piety and it is a help to the signs of Allah and the friends of Allah. Only return the topic.
Organizing religious gatherings for the propagation and promotion of Allah's word