Wiktionary
qadiani
n. An Ahmadi Muslim
Wikipedia
Qadiani
Qadiani or Qadiyani (قادیانی qādiyānī in Urdu and Arabic) is a derogatory religious slur used by some South Asian Muslims to refer to Ahmadi Muslims, primarily in Pakistan. The term originates from Qadian a small town in northern India, the birthplace of Mirza Ghulam Ahmad, the founder of the Ahmadiyya movement. While it is pejorative to the Ahmadiyya Muslim Community, it is used in official Pakistani documents. Technically, the term would refer to residents of Qadian and following the establishment Pakistan in 1947, the Ahmadiyya centre was moved to Rabwah, Pakistan. As such, today, a majority of Qadianis are Sikhs or Hindus.