Just Touching You Makes Them Unclean For Prayer Or Worship

"Khomeini adhered to traditional beliefs of Islamic hygienical jurisprudence holding that things like urine, excrement, blood, wine etc. and also non-Muslims were some of eleven ritualistically "impure" things that physical contact with which while wet required ritual washing or Ghusl before prayer or salah. He is reported to have refused to eat or drink in a restaurant unless he knew for sure the waiter was a Muslim."