"Erev Rav" today

Q: Who is the "Erev Rav" today? (The "mixed multitude" is a group of corrupt individuals who came out of Egypt with the Jewish People – Shemot 12:38)?
A: In his book "Heichal Yitzchak", Ha-Rav Yitzchak Isaac of Komarna says that whenever the Rabbis used the term "Erev Rav" it is not in order to say to others: "You are part of the 'Erev Rav'!" but in order for each of us to search within ourselves to see if we have a taint of the "Erev Rav." This means that a person can have traces of the "Erev Rav" within him, which is referred to by the mystics as "Resurrected Sparks." The Vilna Gaon wrote in Even Shelemah (chap. 11) that one who is involved with communal disputes or shames Torah scholars possesses traces of the "Erev Rav." There is no obligation to follow every Torah scholar, and it is impossible to do so, but it is forbidden to shame a Torah scholar, even if you do not accept his opinion. One must respect every Torah scholar. One who has the qualities of communal disputes and shaming Torah scholar must be wary about his "Erev Rav"-ness.