One who suffers from faith. Based on the Richard Dawkins essay "Viruses of the mind" where religious beliefs are interpreted as cultural memes and analogous to computer viruses. Derived from the greek: patho = to suffer and pistis = faith.
Pathopistisists usually transmit their condition congenitally, however particularly charismatic pathopistisist are even more infectious and some (like tele-evangelists) don't even require physical contact.
To treatsomeone as inferior as a result of some sort of help they accepted from you and to feel you have right to teach, control, or check on them. Clearly not a noble behavior.
A:When will Teresa's parents stop patronize her, checking up on her every breath all the time?...
B:Probably never! You know..people like them will feel like that with their children forever..