guardián
Meanings
Noun
1. guardian, warden (person who guards or protects something)
2. guardian (superior in a Franciscan monastery) (Catholicism)
Examples2
¿Quién nos guardará de nuestros guardianes?
Who will protect us from our guardians?
Un perro que está siempre ladrando no es un buen perro guardián.
A dog that barks all the time doesn't make a good watch dog.