番人 is read as ばんにん (bannin) and means guard.
ばんにん
bannin
かくのばんにん
nuclear watchdog (i.e. the IAEA)
にんきばんぐみ
popular (TV or radio) program
ほうじんばんごう
corporate number
こじんばんごう
identity number
ばんぐみ
program (e.g. TV)
ばんごう
number
ばんち
house number
ばんて
(yarn) count
ばんめ
divisions of a kabuki performance
ばんづけ
program (e.g. theatre)
ばんけん
watchdog
ばんがい
outsize