守備範囲

しゅびはんい

noun

area of the field one is supposed to (or able to) defend(sports term)

(one's) field, (one's) scope, area of expertise, range of topics one can converse about, breadth of one's interests and knowledge

one's type, kind of person one is attracted to

守	guard, protect, defend, obey
備	equip, provision, preparation
範	pattern, example, model
囲	surround, besiege, store, paling, enclosure, encircle, preserve, keep