The word(s) "warner" appears 57 time(s) in 53 verse(s) in Quran in Muhammad Pickthal translation.

(11) And say: Lo! I, even I, am a plain warner,

(12) With truth have We sent it down, and with truth hath it descended. And We have sent thee as naught else save a bearer of good tidings and a warner.

(13) We send not the messengers save as bearers of good news and warners. Those who disbelieve contend with falsehood in order to refute the Truth thereby. And they take Our revelations and that wherewith they are threatened as a jest.

(14) Say: O mankind! I am only a plain warner unto you.

(15) Blessed is He Who hath revealed unto His slave the Criterion (of right and wrong), that he may be a warner to the peoples.

(16) And they say: What aileth this messenger (of Allah) that he eateth food and walketh in the markets? Why is not an angel sent down unto him, to be a warner with him.

(17) If We willed, We could raise up a warner in every village.

(18) And We have sent thee (O Muhammad) only as a bearer of good tidings and a warner.

(19) I am only a plain warner.

(20) Upon thy heart, that thou mayst be (one) of the warners,