ضيف

In a sentence

• جاء ضيف إلى منزلنا مساء أمس.

  A guest came to our house yesterday evening.

  Here, 'ضيف' means 'guest', someone who visits a place.

• قامت الشجرة بدور ضيف في تشبيع النبات بالماء.

  The tree served as a host in saturating the plant with water.

  In this context, 'ضيف' metaphorically means 'host', referring to an entity that facilitates a process.

• ضيفتُ فليماً جديداً إلى قائمتي.

  I added a new movie to my list.

  Here, 'ضيف' is used as a verb meaning 'to add', derived from the same root.