Duckmäuser — the Duden defines him as a person who does not dare to say his opinion or to set it against an opposing one. The word is pejorative.
Jasager — the yes-sayer. In the Duden’s words, he always agrees at once with the plans and views of his superiors or of the stronger side.
Radfahrer — the cyclist, in its second meaning: a person who bows to those above him for his own advantage and bullies those below.
Kadavergehorsam — corpse obedience. The Duden calls it blind obedience.
Untertanengeist — the mind of a subject. The Duden calls it servile devotion.