It also means this - Infidel (literally "one without faith") is an English noun, meaning one who doubts or rejects the central tenets of a religion other than one's own or has no religious beliefs; especially in reference to Christianity or Islam.
I am an Infidel as I reject the tenets of Islam as I am a Christian.
I am a people of the book, not an infidel.
I know the Pork Rib MRE I am chomping on right now is fucking Infidelicious.
I embrace the term.