Inductor

The receiver on a locomotive passing over the inductors on the track on the approach side of a distant or multiple-aspect signal

Source: wiktionary

In certain families one can find several “inductees” grouped around one influential “inductor.” I have observed the case of a forever complaining old lady, living with her married daughter, who attracted and shut everybody, mother, father, and two daughters, into the closed circle of their mutual and reciprocal lamentations.

Source: wiktionary

He should take all efforts to see that a personal link is well established and he should shape the person in a very healthy way. The success of this lies in the capability of the inductor also who should be able to draw out the interests of the inductees.

Source: wiktionary

The vertices of the induced graph (called inductees) are a subset of the vertices of the original graph. The induction can be limited to common neighbors in a certain subset of vertices of the original graph, called the subset of inductors. Each inductor induces edges between the inductees.

Source: wiktionary