niche

nouns

a position particularly well suited to the person who occupies it
"he found his niche in the academic world"
niche
is a type of (narrower)
proper or designated social situation
"he overstepped his place"; "the responsibilities of a man in his station"; "married above her station"
place, station
a small concavity
corner, niche, recess, recession
an enclosure that is set back or indented
niche, recess
(ecology) the status of an organism within its environment and community (affecting its survival as a species)
ecological niche, niche