Narrow-minded

"Narrow-minded, " is an adjective used to describe a person who is intolerant or inflexible in their point of view regarding others. Narrow-minded often describes a person who subscribes to rigid dogma or religious viwpoints. In some instances, the word is used to describe a person who is easily offended by the relatively harmless behavior of others.

In usage, one might say, "Dave Sim became increasingly more narrow-minded, striking out in his creative work against both women and gays, while creating his own, one man religion that he melded together by taking bits and pieces from the Bible and Qur'an."