to rival

enemy / foe

(the) outside

big; great

外, 他: other, the rest

protect, defend, watch over

a watchman, a keeper (as of a lighthouse), a caretaker / a nursemaid, a babysitter

a male given name

standing watch, standing guard / a watchman, a guard (especially at a castle or fort) / divine protection from misfortune / a god or spirit providing such protection

see mamori above