shuǐ xiān
variant of 水仙, narcissus
daffodil
legendary aquatic immortal
refers to those buried at sea
person who wanders abroad and does not return
shén xiān
variant of 神仙, a Daoist immortal
a supernatural entity
(in modern fiction) fairy, elf, leprechaun etc
fig. lighthearted person
(used in advertising: Live like an immortal 活神仙似)