Herd-like

Their garb and stillness conjoined, present an uniformity, tranquil and herd-like—as in the pasture—“forty feeding like one.”

Source: wiktionary

Hitler also exploited the increased susceptibility of people when they were weary by gathering them in the evenings, and when they were in large crowds, and hence more inclined to respond according to a herd-like instinct.

Source: wiktionary

First question with regard to hierarchy: how solitary or how herd-like someone is (in the latter case his value lies in the qualities which secure the existence of his herd, his type, in the former case, in what separates, isolates, defends and makes it possible to be solitary.)

Source: wiktionary