تنصر

Etymology
The senses to do with ‘helping’ come from the South Semitic root whose Arabic reflex is. The senses to do with converting to Christianity come from the Aramaic word meaning Nazarene.

Verb

 * 1) lend each other mutual assistance
 * 2) make a defensive alliance
 * 3) reciprocally corrobate
 * 4)  to convert to Christianity