hermit

a person who lives alone and does not have much contact with other people, especially for religious reasons or because they want to be left alone

eremita, anacoreta

Collocations a hermit's cave

• He became a hermit and lived in the mountains.

  Se convirtió en eremita y vivió en las montañas.

a type of crab that lives alone and has a hard shell on its back, which it uses to protect itself from other animals

ermitaño (cangrejo)

Collocations hermit crab's shell

• The hermit crabs made their homes in the empty shells.

  Los ermitaños hicieron sus hogares en las conchas vacías.