ribat

Etymology
From.

Noun

 * 1)  A border or frontier guardpost.
 * 2)  A caravanserai or inn in, converted from, or resembling such a guardpost.
 * 3)  The duty of some men to serve at such posts.
 * 4)  The duty of all Muslims to defend and/or retake Islamic lands.
 * 5) A Sufi monastery.
 * 6)  An Islamic convent.

Translations

 * Catalan: ràbita
 * Spanish: