1
hermit crab
2
only applies to
宿借り
renting a house
3
only applies to
宿借り
tenant;renter
Other forms
寄居虫 【ヤドカリ】 (rarely used kanji form) · 宿借 【ヤドカリ】 (search-only kanji form) · 寄居蟹 【ヤドカリ】 (search-only kanji form)