他因其极端观点被斥为狂热分子。

He was denounced as a ___fanatic for his extreme views.

凌晨五点，健身房就挤满了健身狂热者。

The gym is full of fitness ___fanatics at 5 a.m.

政治狂热分子获得影响力时可能很危险。

Political ___fanatics can be dangerous when they gain influence.