Is it prescribed for a scholar to go out for da'wah with a group he teaches?

The questioner : The scholars go out with them and teach them?

The Shaykh : Because this going out, may Allah bless you, which you have written about, has no basis in the Sunnah. As for the scholars, they do go out. What brought us to you? Well, but when I was in Damascus, I used to go out in my old car alone, and sometimes some of my brothers would be with me, as you can see. I would go to Homs, Hama, Aleppo, Latakia, Deir al-Zor, and so on, all for the sake of Allah. But we want scholars, scholars.
One of the attendees: May Allah make them scholars, O Shaykh.

The Shaykh : May Allah will it, that is what we want from them.

Another questioner : We can say, take from every group.

The Shaykh : Yes, take from every group.

The questioner : For example, from Tabligh, conduct and morals; from the Ikhwan, thought and liberation; for example, politics, political affairs?
onAl-Halabi : O Shaykh, it needs a new lecture.

The Shaykh : It needs a new lecture.
One of the attendees: And it follows the way of the righteous Salaf.

The Shaykh : You spoke the truth, you spoke the truth, Mukhtar.