A Midsummer Night's Dream 2.2 Interview: Fairy, Mote, Mustardseed, Cobweb, Peaseblossom

The video features an interview with Titania's fairies in Fairy Land, discussing their role in singing a lullaby to help Titania sleep safely. They emphasize the importance of feeling secure in one's bed and list various creatures to keep away. The fairies perform a lullaby and reflect on their protective duties, concluding with a note on the meaning of 'aloof' and 'sentinel'.

What does the term 'aloof' mean in the context of the text?

Explain the significance of a 'Sentinel' in the context of the fairies' duties.